102210022011021 has 4 divisors (see below), whose sum is σ = 136280029348032. Its totient is φ = 68140014674012.

The previous prime is 102210022011011. The next prime is 102210022011103. The reversal of 102210022011021 is 120110220012201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102210022011021 - 2²² = 102210017816717 is a prime.

It is a super-3 number, since 3×102210022011021³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102210022011011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17035003668501 + ... + 17035003668506.

It is an arithmetic number, because the mean of its divisors is an integer number (34070007337008).

Almost surely, 2^{102210022011021} is an apocalyptic number.

It is an amenable number.

102210022011021 is a deficient number, since it is larger than the sum of its proper divisors (34070007337011).

102210022011021 is an equidigital number, since it uses as much as digits as its factorization.

102210022011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34070007337010.

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

Adding to 102210022011021 its reverse (120110220012201), we get a palindrome (222320242023222).

The spelling of 102210022011021 in words is "one hundred two trillion, two hundred ten billion, twenty-two million, eleven thousand, twenty-one".