113321021012 has 6 divisors (see below), whose sum is σ = 198311786778. Its totient is φ = 56660510504.

The previous prime is 113321021003. The next prime is 113321021059. The reversal of 113321021012 is 210120123311.

It can be written as a sum of positive squares in only one way, i.e., 69862947856 + 43458073156 = 264316^2 + 208466^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14165127623 + ... + 14165127630.

It is an arithmetic number, because the mean of its divisors is an integer number (33051964463).

Almost surely, 2^113321021012 is an apocalyptic number.

It is an amenable number.

113321021012 is a deficient number, since it is larger than the sum of its proper divisors (84990765766).

113321021012 is a wasteful number, since it uses less digits than its factorization.

113321021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28330255257 (or 28330255255 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 113321021012 its reverse (210120123311), we get a palindrome (323441144323).

The spelling of 113321021012 in words is "one hundred thirteen billion, three hundred twenty-one million, twenty-one thousand, twelve".