1012102155051 has 16 divisors (see below), whose sum is σ = 1453378321920. Its totient is φ = 622787767200.

The previous prime is 1012102155049. The next prime is 1012102155151. The reversal of 1012102155051 is 1505512012101.

It is not a de Polignac number, because 1012102155051 - 2¹ = 1012102155049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012102155151) 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, 364225 + ... + 1468626.

It is an arithmetic number, because the mean of its divisors is an integer number (90836145120).

Almost surely, 2^{1012102155051} is an apocalyptic number.

1012102155051 is a deficient number, since it is larger than the sum of its proper divisors (441276166869).

1012102155051 is a wasteful number, since it uses less digits than its factorization.

1012102155051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847026.

The product of its (nonzero) digits is 500, while the sum is 24.

Adding to 1012102155051 its reverse (1505512012101), we get a palindrome (2517614167152).

The spelling of 1012102155051 in words is "one trillion, twelve billion, one hundred two million, one hundred fifty-five thousand, fifty-one".