102012322220121 has 32 divisors (see below), whose sum is σ = 140552176359168. Its totient is φ = 65763093749760.

The previous prime is 102012322220117. The next prime is 102012322220213. The reversal of 102012322220121 is 121022223210201.

It is not a de Polignac number, because 102012322220121 - 2² = 102012322220117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102012322220101) 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, 112866561 + ... + 113766801.

It is an arithmetic number, because the mean of its divisors is an integer number (4392255511224).

Almost surely, 2^{102012322220121} is an apocalyptic number.

It is an amenable number.

102012322220121 is a deficient number, since it is larger than the sum of its proper divisors (38539854139047).

102012322220121 is a wasteful number, since it uses less digits than its factorization.

102012322220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906561.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 102012322220121 its reverse (121022223210201), we get a palindrome (223034545430322).

The spelling of 102012322220121 in words is "one hundred two trillion, twelve billion, three hundred twenty-two million, two hundred twenty thousand, one hundred twenty-one".