11122122102021 has 32 divisors (see below), whose sum is σ = 19290401491200. Its totient is φ = 6200486184960.

The previous prime is 11122122101999. The next prime is 11122122102037. The reversal of 11122122102021 is 12020122122111.

It is not a de Polignac number, because 11122122102021 - 2⁶ = 11122122101957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11122122101985 and 11122122102003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122122104021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 717641116 + ... + 717656613.

It is an arithmetic number, because the mean of its divisors is an integer number (602825046600).

Almost surely, 2^{11122122102021} is an apocalyptic number.

It is an amenable number.

11122122102021 is a deficient number, since it is larger than the sum of its proper divisors (8168279389179).

11122122102021 is a wasteful number, since it uses less digits than its factorization.

11122122102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435297786 (or 1435297780 counting only the distinct ones).

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

Adding to 11122122102021 its reverse (12020122122111), we get a palindrome (23142244224132).

The spelling of 11122122102021 in words is "eleven trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred two thousand, twenty-one".