100020112002021 has 16 divisors (see below), whose sum is σ = 146482543895040. Its totient is φ = 60424049355120.

The previous prime is 100020112002007. The next prime is 100020112002037. The reversal of 100020112002021 is 120200211020001.

It is not a de Polignac number, because 100020112002021 - 2⁷ = 100020112001893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100020112001988 and 100020112002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020112002071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38146494495 + ... + 38146497116.

It is an arithmetic number, because the mean of its divisors is an integer number (9155158993440).

Almost surely, 2^{100020112002021} is an apocalyptic number.

It is an amenable number.

100020112002021 is a deficient number, since it is larger than the sum of its proper divisors (46462431893019).

100020112002021 is a wasteful number, since it uses less digits than its factorization.

100020112002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76292991656.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100020112002021 its reverse (120200211020001), we get a palindrome (220220323022022).

The spelling of 100020112002021 in words is "one hundred trillion, twenty billion, one hundred twelve million, two thousand, twenty-one".