11211021212022 has 12 divisors (see below), whose sum is σ = 24290545959420. Its totient is φ = 3737007070668.

The previous prime is 11211021211997. The next prime is 11211021212023. The reversal of 11211021212022 is 22021212011211.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 622834511779 = 11211021212022 / (1 + 1 + 2 + 1 + 1 + 0 + 2 + 1 + 2 + 1 + 2 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 11211021211986 and 11211021212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211021212023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311417255872 + ... + 311417255907.

It is an arithmetic number, because the mean of its divisors is an integer number (2024212163285).

Almost surely, 2^{11211021212022} is an apocalyptic number.

11211021212022 is an abundant number, since it is smaller than the sum of its proper divisors (13079524747398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11211021212022 is a wasteful number, since it uses less digits than its factorization.

11211021212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622834511787 (or 622834511784 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11211021212022 its reverse (22021212011211), we get a palindrome (33232233223233).

The spelling of 11211021212022 in words is "eleven trillion, two hundred eleven billion, twenty-one million, two hundred twelve thousand, twenty-two".