11211012021122 has 8 divisors (see below), whose sum is σ = 17396397963900. Its totient is φ = 5412212699824.

The previous prime is 11211012021113. The next prime is 11211012021127. The reversal of 11211012021122 is 22112021011211.

It can be written as a sum of positive squares in 2 ways, for example, as 10559906659201 + 651105361921 = 3249601^2 + 806911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11211012021122.

It is not an unprimeable number, because it can be changed into a prime (11211012021127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96646655297 + ... + 96646655412.

Almost surely, 2^{11211012021122} is an apocalyptic number.

11211012021122 is a deficient number, since it is larger than the sum of its proper divisors (6185385942778).

11211012021122 is a wasteful number, since it uses less digits than its factorization.

11211012021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193293310740.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11211012021122 its reverse (22112021011211), we get a palindrome (33323033032333).

The spelling of 11211012021122 in words is "eleven trillion, two hundred eleven billion, twelve million, twenty-one thousand, one hundred twenty-two".