100021021021112 has 16 divisors (see below), whose sum is σ = 187659094983360. Its totient is φ = 49978595692224.

The previous prime is 100021021021091. The next prime is 100021021021121. The reversal of 100021021021112 is 211120120120001.

It is a super-2 number, since 2×100021021021112² (a number of 29 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, 3989338973 + ... + 3989364044.

It is an arithmetic number, because the mean of its divisors is an integer number (11728693436460).

Almost surely, 2^{100021021021112} is an apocalyptic number.

It is an amenable number.

100021021021112 is a deficient number, since it is larger than the sum of its proper divisors (87638073962248).

100021021021112 is a wasteful number, since it uses less digits than its factorization.

100021021021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7978704590 (or 7978704586 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100021021021112 its reverse (211120120120001), we get a palindrome (311141141141113).

The spelling of 100021021021112 in words is "one hundred trillion, twenty-one billion, twenty-one million, twenty-one thousand, one hundred twelve".