2100000023142 has 64 divisors (see below), whose sum is σ = 5139458242560. Its totient is φ = 558360861696.

The previous prime is 2100000023111. The next prime is 2100000023153. The reversal of 2100000023142 is 2413200000012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16459918 + ... + 16587009.

It is an arithmetic number, because the mean of its divisors is an integer number (80304035040).

Almost surely, 2^{2100000023142} is an apocalyptic number.

2100000023142 is an abundant number, since it is smaller than the sum of its proper divisors (3039458219418).

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

2100000023142 is a wasteful number, since it uses less digits than its factorization.

2100000023142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33047045.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2100000023142 its reverse (2413200000012), we get a palindrome (4513200023154).

The spelling of 2100000023142 in words is "two trillion, one hundred billion, twenty-three thousand, one hundred forty-two".