100010122100020 has 48 divisors (see below), whose sum is σ = 230301217677888. Its totient is φ = 36178885416960.

The previous prime is 100010122099999. The next prime is 100010122100041. The reversal of 100010122100020 is 20001221010001.

It is an interprime number because it is at equal distance from previous prime (100010122099999) and next prime (100010122100041).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1177655634 + ... + 1177740553.

It is an arithmetic number, because the mean of its divisors is an integer number (4797942034956).

Almost surely, 2^{100010122100020} is an apocalyptic number.

100010122100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100010122100020 is an abundant number, since it is smaller than the sum of its proper divisors (130291095577868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100010122100020 is a wasteful number, since it uses less digits than its factorization.

100010122100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355396400 (or 2355396398 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100010122100020 its reverse (20001221010001), we get a palindrome (120011343110021).

The spelling of 100010122100020 in words is "one hundred trillion, ten billion, one hundred twenty-two million, one hundred thousand, twenty".