102220351511 has 32 divisors (see below), whose sum is σ = 108364861440. Its totient is φ = 96298481664.

The previous prime is 102220351489. The next prime is 102220351547. The reversal of 102220351511 is 115153022201.

It is a cyclic number.

It is not a de Polignac number, because 102220351511 - 2¹⁰ = 102220350487 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 (102220351591) 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, 142169810 + ... + 142170528.

It is an arithmetic number, because the mean of its divisors is an integer number (3386401920).

Almost surely, 2^102220351511 is an apocalyptic number.

102220351511 is a deficient number, since it is larger than the sum of its proper divisors (6144509929).

102220351511 is a wasteful number, since it uses less digits than its factorization.

102220351511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 102220351511 its reverse (115153022201), we get a palindrome (217373373712).

The spelling of 102220351511 in words is "one hundred two billion, two hundred twenty million, three hundred fifty-one thousand, five hundred eleven".