100020201120120 has 256 divisors, whose sum is σ = 331233835299840. Its totient is φ = 24056686338048.

The previous prime is 100020201120113. The next prime is 100020201120143. The reversal of 100020201120120 is 21021102020001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 100020201120096 and 100020201120105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6107644 + ... + 15405963.

It is an arithmetic number, because the mean of its divisors is an integer number (1293882169140).

Almost surely, 2^{100020201120120} is an apocalyptic number.

100020201120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100020201120120 is an abundant number, since it is smaller than the sum of its proper divisors (231213634179720).

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

100020201120120 is a wasteful number, since it uses less digits than its factorization.

100020201120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21513734 (or 21513730 counting only the distinct ones).

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

Adding to 100020201120120 its reverse (21021102020001), we get a palindrome (121041303140121).

The spelling of 100020201120120 in words is "one hundred trillion, twenty billion, two hundred one million, one hundred twenty thousand, one hundred twenty".