1131223013102 has 32 divisors (see below), whose sum is σ = 2094608897472. Its totient is φ = 446188829184.

The previous prime is 1131223013087. The next prime is 1131223013117. The reversal of 1131223013102 is 2013103221311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1131223013087) and next prime (1131223013117).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9160493 + ... + 9283160.

It is an arithmetic number, because the mean of its divisors is an integer number (65456528046).

Almost surely, 2^{1131223013102} is an apocalyptic number.

1131223013102 is a deficient number, since it is larger than the sum of its proper divisors (963385884370).

1131223013102 is a wasteful number, since it uses less digits than its factorization.

1131223013102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18444012.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1131223013102 its reverse (2013103221311), we get a palindrome (3144326234413).

The spelling of 1131223013102 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-three million, thirteen thousand, one hundred two".