102121021100022 has 16 divisors (see below), whose sum is σ = 204399030718512. Its totient is φ = 34014175613600.

The previous prime is 102121021100011. The next prime is 102121021100027. The reversal of 102121021100022 is 220001120121201.

It is a super-2 number, since 2×102121021100022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102121021099974 and 102121021100010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121021100027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6541179813 + ... + 6541195424.

It is an arithmetic number, because the mean of its divisors is an integer number (12774939419907).

Almost surely, 2^{102121021100022} is an apocalyptic number.

102121021100022 is an abundant number, since it is smaller than the sum of its proper divisors (102278009618490).

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

102121021100022 is a wasteful number, since it uses less digits than its factorization.

102121021100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13082376543.

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

Adding to 102121021100022 its reverse (220001120121201), we get a palindrome (322122141221223).

The spelling of 102121021100022 in words is "one hundred two trillion, one hundred twenty-one billion, twenty-one million, one hundred thousand, twenty-two".