102021120122111 has 8 divisors (see below), whose sum is σ = 103694502450000. Its totient is φ = 100347766986240.

The previous prime is 102021120122093. The next prime is 102021120122143. The reversal of 102021120122111 is 111221021120201.

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 102021120122111 - 2¹⁴ = 102021120105727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102021120122111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021120122191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194786 + ... + 14285663.

It is an arithmetic number, because the mean of its divisors is an integer number (12961812806250).

Almost surely, 2^{102021120122111} is an apocalyptic number.

102021120122111 is a deficient number, since it is larger than the sum of its proper divisors (1673382327889).

102021120122111 is a wasteful number, since it uses less digits than its factorization.

102021120122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14596009.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102021120122111 its reverse (111221021120201), we get a palindrome (213242141242312).

The spelling of 102021120122111 in words is "one hundred two trillion, twenty-one billion, one hundred twenty million, one hundred twenty-two thousand, one hundred eleven".