102220202111021 has 8 divisors (see below), whose sum is σ = 102234142846080. Its totient is φ = 102206262292992.

The previous prime is 102220202110987. The next prime is 102220202111059. The reversal of 102220202111021 is 120111202022201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102220202111021 - 2³⁸ = 101945324204077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220202111921) 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 7 ways as a sum of consecutive naturals, for example, 239524796 + ... + 239951178.

It is an arithmetic number, because the mean of its divisors is an integer number (12779267855760).

Almost surely, 2^{102220202111021} is an apocalyptic number.

It is an amenable number.

102220202111021 is a deficient number, since it is larger than the sum of its proper divisors (13940735059).

102220202111021 is a wasteful number, since it uses less digits than its factorization.

102220202111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458515.

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

Adding to 102220202111021 its reverse (120111202022201), we get a palindrome (222331404133222).

The spelling of 102220202111021 in words is "one hundred two trillion, two hundred twenty billion, two hundred two million, one hundred eleven thousand, twenty-one".