202111022102101 has 32 divisors (see below), whose sum is σ = 235453994173440. Its totient is φ = 169918767908736.

The previous prime is 202111022102089. The next prime is 202111022102111. The reversal of 202111022102101 is 101201220111202.

It is not a de Polignac number, because 202111022102101 - 2⁵ = 202111022102069 is a prime.

It is a super-2 number, since 2×202111022102101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202111022102111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62592510 + ... + 65742256.

It is an arithmetic number, because the mean of its divisors is an integer number (7357937317920).

Almost surely, 2^{202111022102101} is an apocalyptic number.

It is an amenable number.

202111022102101 is a deficient number, since it is larger than the sum of its proper divisors (33342972071339).

202111022102101 is a wasteful number, since it uses less digits than its factorization.

202111022102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3150633.

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

Adding to 202111022102101 its reverse (101201220111202), we get a palindrome (303312242213303).

The spelling of 202111022102101 in words is "two hundred two trillion, one hundred eleven billion, twenty-two million, one hundred two thousand, one hundred one".