210203023100 has 36 divisors (see below), whose sum is σ = 521303499024. Its totient is φ = 72069607680.

The previous prime is 210203023081. The next prime is 210203023117. The reversal of 210203023100 is 1320302012.

It is a happy number.

It is a super-2 number, since 2×210203023100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150144317 + ... + 150145716.

Almost surely, 2^210203023100 is an apocalyptic number.

210203023100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210203023100 is an abundant number, since it is smaller than the sum of its proper divisors (311100475924).

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

210203023100 is a wasteful number, since it uses less digits than its factorization.

210203023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300290054 (or 300290047 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 210203023100 its reverse (1320302012), we get a palindrome (211523325112).

The spelling of 210203023100 in words is "two hundred ten billion, two hundred three million, twenty-three thousand, one hundred".