201927291100 has 18 divisors (see below), whose sum is σ = 438182221904. Its totient is φ = 80770916400.

The previous prime is 201927291089. The next prime is 201927291101. The reversal of 201927291100 is 1192729102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201927291101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1009636356 + ... + 1009636555.

Almost surely, 2^201927291100 is an apocalyptic number.

201927291100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201927291100 is an abundant number, since it is smaller than the sum of its proper divisors (236254930804).

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

201927291100 is a wasteful number, since it uses less digits than its factorization.

201927291100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019272925 (or 2019272918 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 201927291100 in words is "two hundred one billion, nine hundred twenty-seven million, two hundred ninety-one thousand, one hundred".