201001929100 has 72 divisors (see below), whose sum is σ = 524720860160. Its totient is φ = 65287840320.

The previous prime is 201001929097. The next prime is 201001929103. The reversal of 201001929100 is 1929100102.

It is an interprime number because it is at equal distance from previous prime (201001929097) and next prime (201001929103).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (201001929103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7543164 + ... + 7569763.

Almost surely, 2^201001929100 is an apocalyptic number.

201001929100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201001929100 is an abundant number, since it is smaller than the sum of its proper divisors (323718931060).

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

201001929100 is a wasteful number, since it uses less digits than its factorization.

201001929100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15112967 (or 15112960 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 201001929100 in words is "two hundred one billion, one million, nine hundred twenty-nine thousand, one hundred".