100000120201000 has 64 divisors (see below), whose sum is σ = 234627628744080. Its totient is φ = 39892809196800.

The previous prime is 100000120200973. The next prime is 100000120201031. The reversal of 100000120201000 is 102021000001.

It can be written as a sum of positive squares in 8 ways, for example, as 1370552538436 + 98629567662564 = 1170706^2 + 9931242^2 .

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, 133675419 + ... + 134421418.

Almost surely, 2^{100000120201000} is an apocalyptic number.

100000120201000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100000120201000 is an abundant number, since it is smaller than the sum of its proper divisors (134627508543080).

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

100000120201000 is a wasteful number, since it uses less digits than its factorization.

100000120201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268097231 (or 268097217 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 100000120201000 its reverse (102021000001), we get a palindrome (100102141201001).

The spelling of 100000120201000 in words is "one hundred trillion, one hundred twenty million, two hundred one thousand".