11221020122100 has 36 divisors (see below), whose sum is σ = 32466151554144. Its totient is φ = 2992272032480.

The previous prime is 11221020122071. The next prime is 11221020122171. The reversal of 11221020122100 is 122102012211.

It is a super-2 number, since 2×11221020122100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11221020122100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18701699904 + ... + 18701700503.

Almost surely, 2^{11221020122100} is an apocalyptic number.

11221020122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221020122100 is an abundant number, since it is smaller than the sum of its proper divisors (21245131432044).

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

11221020122100 is a wasteful number, since it uses less digits than its factorization.

11221020122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37403400424 (or 37403400417 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11221020122100 its reverse (122102012211), we get a palindrome (11343122134311).

The spelling of 11221020122100 in words is "eleven trillion, two hundred twenty-one billion, twenty million, one hundred twenty-two thousand, one hundred".