2151100631402 has 16 divisors (see below), whose sum is σ = 3257814193920. Its totient is φ = 1065172027248.

The previous prime is 2151100631363. The next prime is 2151100631497. The reversal of 2151100631402 is 2041360011512.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1909058 + ... + 2818989.

It is an arithmetic number, because the mean of its divisors is an integer number (203613387120).

Almost surely, 2^{2151100631402} is an apocalyptic number.

2151100631402 is a deficient number, since it is larger than the sum of its proper divisors (1106713562518).

2151100631402 is a wasteful number, since it uses less digits than its factorization.

2151100631402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730245.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 2151100631402 its reverse (2041360011512), we get a palindrome (4192460642914).

The spelling of 2151100631402 in words is "two trillion, one hundred fifty-one billion, one hundred million, six hundred thirty-one thousand, four hundred two".