201010123100 has 18 divisors (see below), whose sum is σ = 436191967344. Its totient is φ = 80404049200.

The previous prime is 201010123019. The next prime is 201010123123. The reversal of 201010123100 is 1321010102.

It is a super-2 number, since 2×201010123100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1005050516 + ... + 1005050715.

Almost surely, 2^201010123100 is an apocalyptic number.

201010123100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201010123100 is an abundant number, since it is smaller than the sum of its proper divisors (235181844244).

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

201010123100 is a wasteful number, since it uses less digits than its factorization.

201010123100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010101245 (or 2010101238 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 201010123100 its reverse (1321010102), we get a palindrome (202331133202).

The spelling of 201010123100 in words is "two hundred one billion, ten million, one hundred twenty-three thousand, one hundred".