2042102123321 has 16 divisors (see below), whose sum is σ = 2351158153344. Its totient is φ = 1756909350144.

The previous prime is 2042102123291. The next prime is 2042102123339. The reversal of 2042102123321 is 1233212012402.

It is not a de Polignac number, because 2042102123321 - 2¹⁰ = 2042102122297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2042102123921) 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, 44832971 + ... + 44878496.

It is an arithmetic number, because the mean of its divisors is an integer number (146947384584).

Almost surely, 2^{2042102123321} is an apocalyptic number.

It is an amenable number.

2042102123321 is a deficient number, since it is larger than the sum of its proper divisors (309056030023).

2042102123321 is a wasteful number, since it uses less digits than its factorization.

2042102123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89711600.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2042102123321 its reverse (1233212012402), we get a palindrome (3275314135723).

The spelling of 2042102123321 in words is "two trillion, forty-two billion, one hundred two million, one hundred twenty-three thousand, three hundred twenty-one".