102022221101021 has 16 divisors (see below), whose sum is σ = 112427562804480. Its totient is φ = 91982325435840.

The previous prime is 102022221100993. The next prime is 102022221101051. The reversal of 102022221101021 is 120101122220201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102022221101021 is a prime.

It is a super-2 number, since 2×102022221101021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022221101051) by changing a digit.

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, 25073891 + ... + 28857311.

It is an arithmetic number, because the mean of its divisors is an integer number (7026722675280).

Almost surely, 2^{102022221101021} is an apocalyptic number.

It is an amenable number.

102022221101021 is a deficient number, since it is larger than the sum of its proper divisors (10405341703459).

102022221101021 is a wasteful number, since it uses less digits than its factorization.

102022221101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831716.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102022221101021 its reverse (120101122220201), we get a palindrome (222123343321222).

The spelling of 102022221101021 in words is "one hundred two trillion, twenty-two billion, two hundred twenty-one million, one hundred one thousand, twenty-one".