2101310031102 has 32 divisors (see below), whose sum is σ = 4294913144832. Its totient is φ = 685074466464.

The previous prime is 2101310031097. The next prime is 2101310031109. The reversal of 2101310031102 is 2011300131012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101310031109) 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, 2074438 + ... + 2916489.

It is an arithmetic number, because the mean of its divisors is an integer number (134216035776).

Almost surely, 2^{2101310031102} is an apocalyptic number.

2101310031102 is an abundant number, since it is smaller than the sum of its proper divisors (2193603113730).

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

2101310031102 is a wasteful number, since it uses less digits than its factorization.

2101310031102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992472.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2101310031102 its reverse (2011300131012), we get a palindrome (4112610162114).

The spelling of 2101310031102 in words is "two trillion, one hundred one billion, three hundred ten million, thirty-one thousand, one hundred two".