102010111011121 has 4 divisors (see below), whose sum is σ = 102010760009200. Its totient is φ = 102009462013044.

The previous prime is 102010111011119. The next prime is 102010111011191. The reversal of 102010111011121 is 121110111010201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102010111011121 - 2¹ = 102010111011119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102010111011101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324263211 + ... + 324577648.

It is an arithmetic number, because the mean of its divisors is an integer number (25502690002300).

Almost surely, 2^{102010111011121} is an apocalyptic number.

It is an amenable number.

102010111011121 is a deficient number, since it is larger than the sum of its proper divisors (648998079).

102010111011121 is an equidigital number, since it uses as much as digits as its factorization.

102010111011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648998078.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 102010111011121 its reverse (121110111010201), we get a palindrome (223120222021322).

The spelling of 102010111011121 in words is "one hundred two trillion, ten billion, one hundred eleven million, eleven thousand, one hundred twenty-one".