10021112121112 has 16 divisors (see below), whose sum is σ = 18789918580800. Its totient is φ = 5010467166240.

The previous prime is 10021112121109. The next prime is 10021112121133. The reversal of 10021112121112 is 21112121112001.

It is a super-2 number, since 2×10021112121112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 10631464 + ... + 11535607.

It is an arithmetic number, because the mean of its divisors is an integer number (1174369911300).

Almost surely, 2^{10021112121112} is an apocalyptic number.

It is an amenable number.

10021112121112 is a deficient number, since it is larger than the sum of its proper divisors (8768806459688).

10021112121112 is a wasteful number, since it uses less digits than its factorization.

10021112121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22223586 (or 22223582 counting only the distinct ones).

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

Adding to 10021112121112 its reverse (21112121112001), we get a palindrome (31133233233113).

The spelling of 10021112121112 in words is "ten trillion, twenty-one billion, one hundred twelve million, one hundred twenty-one thousand, one hundred twelve".