11021220212000 has 96 divisors (see below), whose sum is σ = 27285850335744. Its totient is φ = 4374835296000.

The previous prime is 11021220211999. The next prime is 11021220212003. The reversal of 11021220212000 is 21202212011.

It is a super-2 number, since 2×11021220212000² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11021220212003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9992432 + ... + 11040431.

It is an arithmetic number, because the mean of its divisors is an integer number (284227607664).

Almost surely, 2^{11021220212000} is an apocalyptic number.

11021220212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021220212000 is an abundant number, since it is smaller than the sum of its proper divisors (16264630123744).

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

11021220212000 is a wasteful number, since it uses less digits than its factorization.

11021220212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21033019 (or 21033001 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11021220212000 its reverse (21202212011), we get a palindrome (11042422424011).

The spelling of 11021220212000 in words is "eleven trillion, twenty-one billion, two hundred twenty million, two hundred twelve thousand".