10011020111012 has 12 divisors (see below), whose sum is σ = 17519540268636. Its totient is φ = 5005437177120.

The previous prime is 10011020110901. The next prime is 10011020111021. The reversal of 10011020111012 is 21011102011001.

It can be written as a sum of positive squares in 2 ways, for example, as 8443476046756 + 1567544064256 = 2905766^2 + 1252016^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10011020110984 and 10011020111002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17909939 + ... + 18460442.

It is an arithmetic number, because the mean of its divisors is an integer number (1459961689053).

Almost surely, 2^{10011020111012} is an apocalyptic number.

It is an amenable number.

10011020111012 is a deficient number, since it is larger than the sum of its proper divisors (7508520157624).

10011020111012 is a wasteful number, since it uses less digits than its factorization.

10011020111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36439198 (or 36439196 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10011020111012 its reverse (21011102011001), we get a palindrome (31022122122013).

The spelling of 10011020111012 in words is "ten trillion, eleven billion, twenty million, one hundred eleven thousand, twelve".