100020021011012 has 12 divisors (see below), whose sum is σ = 175036127185920. Its totient is φ = 50009698957896.

The previous prime is 100020021010999. The next prime is 100020021011063. The reversal of 100020021011012 is 210110120020001.

It is a super-5 number, since 5×100020021011012⁵ (a number of 71 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100020021010984 and 100020021011002.

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, 77163812 + ... + 78449307.

It is an arithmetic number, because the mean of its divisors is an integer number (14586343932160).

Almost surely, 2^{100020021011012} is an apocalyptic number.

It is an amenable number.

100020021011012 is a deficient number, since it is larger than the sum of its proper divisors (75016106174908).

100020021011012 is a wasteful number, since it uses less digits than its factorization.

100020021011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155773810 (or 155773808 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100020021011012 its reverse (210110120020001), we get a palindrome (310130141031013).

The spelling of 100020021011012 in words is "one hundred trillion, twenty billion, twenty-one million, eleven thousand, twelve".