100100212021120 has 64 divisors (see below), whose sum is σ = 239446490770800. Its totient is φ = 40015920181248.

The previous prime is 100100212021049. The next prime is 100100212021127. The reversal of 100100212021120 is 21120212001001.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 100100212021120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100100212021127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46135230 + ... + 48256189.

Almost surely, 2^{100100212021120} is an apocalyptic number.

100100212021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100100212021120 is an abundant number, since it is smaller than the sum of its proper divisors (139346278749680).

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

100100212021120 is an equidigital number, since it uses as much as digits as its factorization.

100100212021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94393095 (or 94393083 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100100212021120 its reverse (21120212001001), we get a palindrome (121220424022121).

The spelling of 100100212021120 in words is "one hundred trillion, one hundred billion, two hundred twelve million, twenty-one thousand, one hundred twenty".