102020210121102 has 128 divisors (see below), whose sum is σ = 266807461939200. Its totient is φ = 25276496103936.

The previous prime is 102020210121083. The next prime is 102020210121173. The reversal of 102020210121102 is 201121012020201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86483202 + ... + 87654917.

It is an arithmetic number, because the mean of its divisors is an integer number (2084433296400).

Almost surely, 2^{102020210121102} is an apocalyptic number.

102020210121102 is an abundant number, since it is smaller than the sum of its proper divisors (164787251818098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102020210121102 is a wasteful number, since it uses less digits than its factorization.

102020210121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174138210.

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

Adding to 102020210121102 its reverse (201121012020201), we get a palindrome (303141222141303).

The spelling of 102020210121102 in words is "one hundred two trillion, twenty billion, two hundred ten million, one hundred twenty-one thousand, one hundred two".