205102101157112 has 32 divisors (see below), whose sum is σ = 384772753747200. Its totient is φ = 102496041736704.

The previous prime is 205102101157091. The next prime is 205102101157153. The reversal of 205102101157112 is 211751101201502.

205102101157112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 201126788 + ... + 202143980.

It is an arithmetic number, because the mean of its divisors is an integer number (12024148554600).

Almost surely, 2^{205102101157112} is an apocalyptic number.

It is an amenable number.

205102101157112 is a deficient number, since it is larger than the sum of its proper divisors (179670652590088).

205102101157112 is a wasteful number, since it uses less digits than its factorization.

205102101157112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030695 (or 1030691 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 29.

Adding to 205102101157112 its reverse (211751101201502), we get a palindrome (416853202358614).

The spelling of 205102101157112 in words is "two hundred five trillion, one hundred two billion, one hundred one million, one hundred fifty-seven thousand, one hundred twelve".