202021100101102 has 32 divisors (see below), whose sum is σ = 305450598481920. Its totient is φ = 100206677530080.

The previous prime is 202021100101099. The next prime is 202021100101123. The reversal of 202021100101102 is 201101001120202.

202021100101102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×202021100101102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391621299 + ... + 392136817.

It is an arithmetic number, because the mean of its divisors is an integer number (9545331202560).

Almost surely, 2^{202021100101102} is an apocalyptic number.

202021100101102 is a deficient number, since it is larger than the sum of its proper divisors (103429498380818).

202021100101102 is a wasteful number, since it uses less digits than its factorization.

202021100101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517888.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202021100101102 its reverse (201101001120202), we get a palindrome (403122101221304).

The spelling of 202021100101102 in words is "two hundred two trillion, twenty-one billion, one hundred million, one hundred one thousand, one hundred two".