100020001201120 has 192 divisors, whose sum is σ = 317266242080256. Its totient is φ = 28776983316480.

The previous prime is 100020001201103. The next prime is 100020001201147. The reversal of 100020001201120 is 21102100020001.

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

It is a junction number, because it is equal to n+sod(n) for n = 100020001201097 and 100020001201106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312090094 + ... + 312410413.

It is an arithmetic number, because the mean of its divisors is an integer number (1652428344168).

Almost surely, 2^{100020001201120} is an apocalyptic number.

100020001201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100020001201120 is an abundant number, since it is smaller than the sum of its proper divisors (217246240879136).

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

100020001201120 is a wasteful number, since it uses less digits than its factorization.

100020001201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624500553 (or 624500545 counting only the distinct ones).

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

Adding to 100020001201120 its reverse (21102100020001), we get a palindrome (121122101221121).

The spelling of 100020001201120 in words is "one hundred trillion, twenty billion, one million, two hundred one thousand, one hundred twenty".