100020010102100 has 72 divisors (see below), whose sum is σ = 237313993224000. Its totient is φ = 36288063129600.

The previous prime is 100020010102093. The next prime is 100020010102121. The reversal of 100020010102100 is 1201010020001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103078925 + ... + 104044724.

Almost surely, 2^{100020010102100} is an apocalyptic number.

100020010102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100020010102100 is an abundant number, since it is smaller than the sum of its proper divisors (137293983121900).

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

100020010102100 is a wasteful number, since it uses less digits than its factorization.

100020010102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207124113 (or 207124106 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100020010102100 its reverse (1201010020001), we get a palindrome (101221020122101).

The spelling of 100020010102100 in words is "one hundred trillion, twenty billion, ten million, one hundred two thousand, one hundred".