2131111101102 has 16 divisors (see below), whose sum is σ = 4262703317712. Its totient is φ = 710290181120.

The previous prime is 2131111101079. The next prime is 2131111101103. The reversal of 2131111101102 is 2011011111312.

It is a super-2 number, since 2×2131111101102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131111101103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19988883 + ... + 20095214.

It is an arithmetic number, because the mean of its divisors is an integer number (266418957357).

Almost surely, 2^{2131111101102} is an apocalyptic number.

2131111101102 is an abundant number, since it is smaller than the sum of its proper divisors (2131592216610).

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

2131111101102 is a wasteful number, since it uses less digits than its factorization.

2131111101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40092963.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 2131111101102 its reverse (2011011111312), we get a palindrome (4142122212414).

The spelling of 2131111101102 in words is "two trillion, one hundred thirty-one billion, one hundred eleven million, one hundred one thousand, one hundred two".