131111021102 has 64 divisors (see below), whose sum is σ = 225597208320. Its totient is φ = 56760528384.

The previous prime is 131111021101. The next prime is 131111021189. The reversal of 131111021102 is 201120111131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131111021101) 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, 4791953 + ... + 4819235.

It is an arithmetic number, because the mean of its divisors is an integer number (3524956380).

Almost surely, 2^131111021102 is an apocalyptic number.

131111021102 is a deficient number, since it is larger than the sum of its proper divisors (94486187218).

131111021102 is a wasteful number, since it uses less digits than its factorization.

131111021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27537.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 131111021102 its reverse (201120111131), we get a palindrome (332231132233).

The spelling of 131111021102 in words is "one hundred thirty-one billion, one hundred eleven million, twenty-one thousand, one hundred two".