113211121012 has 24 divisors (see below), whose sum is σ = 216421273152. Its totient is φ = 51390326400.

The previous prime is 113211121003. The next prime is 113211121021. The reversal of 113211121012 is 210121112311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (113211121003) and next prime (113211121021).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1698789 + ... + 1764172.

It is an arithmetic number, because the mean of its divisors is an integer number (9017553048).

Almost surely, 2^113211121012 is an apocalyptic number.

It is an amenable number.

113211121012 is a deficient number, since it is larger than the sum of its proper divisors (103210152140).

113211121012 is a wasteful number, since it uses less digits than its factorization.

113211121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463719 (or 3463717 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 113211121012 its reverse (210121112311), we get a palindrome (323332233323).

The spelling of 113211121012 in words is "one hundred thirteen billion, two hundred eleven million, one hundred twenty-one thousand, twelve".