210010201020120 has 128 divisors (see below), whose sum is σ = 631668521111040. Its totient is φ = 55857291141120.

The previous prime is 210010201020119. The next prime is 210010201020127. The reversal of 210010201020120 is 21020102010012.

It is a super-2 number, since 2×210010201020120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 210010201020096 and 210010201020105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210010201020127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80943405 + ... + 83497635.

It is an arithmetic number, because the mean of its divisors is an integer number (4934910321180).

Almost surely, 2^{210010201020120} is an apocalyptic number.

210010201020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210010201020120 is an abundant number, since it is smaller than the sum of its proper divisors (421658320090920).

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

210010201020120 is a wasteful number, since it uses less digits than its factorization.

210010201020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556025 (or 2556021 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210010201020120 its reverse (21020102010012), we get a palindrome (231030303030132).

The spelling of 210010201020120 in words is "two hundred ten trillion, ten billion, two hundred one million, twenty thousand, one hundred twenty".