2131012101 has 32 divisors (see below), whose sum is σ = 3079392768. Its totient is φ = 1305722880.

The previous prime is 2131012099. The next prime is 2131012157. The reversal of 2131012101 is 1012101312.

It is not a de Polignac number, because 2131012101 - 2¹ = 2131012099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131012171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1612521 + ... + 1613841.

It is an arithmetic number, because the mean of its divisors is an integer number (96231024).

Almost surely, 2^2131012101 is an apocalyptic number.

It is an amenable number.

2131012101 is a deficient number, since it is larger than the sum of its proper divisors (948380667).

2131012101 is a wasteful number, since it uses less digits than its factorization.

2131012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2131012101 is about 46162.8866190146. The cubic root of 2131012101 is about 1286.8521089516.

Adding to 2131012101 its reverse (1012101312), we get a palindrome (3143113413).

It can be divided in two parts, 21310 and 12101, that added together give a triangular number (33411 = T₂₅₈).

The spelling of 2131012101 in words is "two billion, one hundred thirty-one million, twelve thousand, one hundred one".