210201101222100 has 36 divisors (see below), whose sum is σ = 608181852870144. Its totient is φ = 56053626992480.

The previous prime is 210201101222081. The next prime is 210201101222183. The reversal of 210201101222100 is 1222101102012.

It is a super-2 number, since 2×210201101222100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 210201101222100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 350335168404 + ... + 350335169003.

It is an arithmetic number, because the mean of its divisors is an integer number (16893940357504).

Almost surely, 2^{210201101222100} is an apocalyptic number.

210201101222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210201101222100 is an abundant number, since it is smaller than the sum of its proper divisors (397980751648044).

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

210201101222100 is a wasteful number, since it uses less digits than its factorization.

210201101222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700670337424 (or 700670337417 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210201101222100 its reverse (1222101102012), we get a palindrome (211423202324112).

The spelling of 210201101222100 in words is "two hundred ten trillion, two hundred one billion, one hundred one million, two hundred twenty-two thousand, one hundred".