11311031122102 has 16 divisors (see below), whose sum is σ = 16977349509120. Its totient is φ = 5651914862952.

The previous prime is 11311031122091. The next prime is 11311031122109. The reversal of 11311031122102 is 20122113011311.

It is a self number, because there is not a number n which added to its sum of digits gives 11311031122102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311031122109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151092693 + ... + 151167535.

It is an arithmetic number, because the mean of its divisors is an integer number (1061084344320).

Almost surely, 2^{11311031122102} is an apocalyptic number.

11311031122102 is a deficient number, since it is larger than the sum of its proper divisors (5666318387018).

11311031122102 is a wasteful number, since it uses less digits than its factorization.

11311031122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121947.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11311031122102 its reverse (20122113011311), we get a palindrome (31433144133413).

The spelling of 11311031122102 in words is "eleven trillion, three hundred eleven billion, thirty-one million, one hundred twenty-two thousand, one hundred two".