100010122020021 has 32 divisors (see below), whose sum is σ = 137957767153920. Its totient is φ = 64400349888000.

The previous prime is 100010122019953. The next prime is 100010122020049. The reversal of 100010122020021 is 120020221010001.

It is not a de Polignac number, because 100010122020021 - 2¹⁷ = 100010121888949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100010122019979 and 100010122020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100010122010021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300830736 + ... + 301162998.

It is an arithmetic number, because the mean of its divisors is an integer number (4311180223560).

Almost surely, 2^{100010122020021} is an apocalyptic number.

It is an amenable number.

100010122020021 is a deficient number, since it is larger than the sum of its proper divisors (37947645133899).

100010122020021 is a wasteful number, since it uses less digits than its factorization.

100010122020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356637.

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

Adding to 100010122020021 its reverse (120020221010001), we get a palindrome (220030343030022).

The spelling of 100010122020021 in words is "one hundred trillion, ten billion, one hundred twenty-two million, twenty thousand, twenty-one".