102211122021100 has 36 divisors (see below), whose sum is σ = 226956230953144. Its totient is φ = 39933647671680.

The previous prime is 102211122021079. The next prime is 102211122021101. The reversal of 102211122021100 is 1120221112201.

It is a super-2 number, since 2×102211122021100² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102211122021101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11885009889 + ... + 11885018488.

Almost surely, 2^{102211122021100} is an apocalyptic number.

102211122021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102211122021100 is an abundant number, since it is smaller than the sum of its proper divisors (124745108932044).

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

102211122021100 is a wasteful number, since it uses less digits than its factorization.

102211122021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23770028434 (or 23770028427 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102211122021100 its reverse (1120221112201), we get a palindrome (103331343133301).

The spelling of 102211122021100 in words is "one hundred two trillion, two hundred eleven billion, one hundred twenty-two million, twenty-one thousand, one hundred".