102010020221121 has 16 divisors (see below), whose sum is σ = 138262801656000. Its totient is φ = 66882277437120.

The previous prime is 102010020221117. The next prime is 102010020221159. The reversal of 102010020221121 is 121122020010201.

It is not a de Polignac number, because 102010020221121 - 2² = 102010020221117 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102010020221121.

It is not an unprimeable number, because it can be changed into a prime (102010020221621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38459371 + ... + 41026128.

It is an arithmetic number, because the mean of its divisors is an integer number (8641425103500).

Almost surely, 2^{102010020221121} is an apocalyptic number.

It is an amenable number.

102010020221121 is a deficient number, since it is larger than the sum of its proper divisors (36252781434879).

102010020221121 is an equidigital number, since it uses as much as digits as its factorization.

102010020221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79492576.

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

Adding to 102010020221121 its reverse (121122020010201), we get a palindrome (223132040231322).

The spelling of 102010020221121 in words is "one hundred two trillion, ten billion, twenty million, two hundred twenty-one thousand, one hundred twenty-one".