210201212022220 has 48 divisors (see below), whose sum is σ = 464682278995200. Its totient is φ = 79650573013440.

The previous prime is 210201212022203. The next prime is 210201212022271. The reversal of 210201212022220 is 22220212102012.

It is a super-2 number, since 2×210201212022220² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9493066 + ... + 22594705.

It is an arithmetic number, because the mean of its divisors is an integer number (9680880812400).

Almost surely, 2^{210201212022220} is an apocalyptic number.

210201212022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210201212022220 is an abundant number, since it is smaller than the sum of its proper divisors (254481066972980).

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

210201212022220 is a wasteful number, since it uses less digits than its factorization.

210201212022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32105038 (or 32105036 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 210201212022220 its reverse (22220212102012), we get a palindrome (232421424124232).

The spelling of 210201212022220 in words is "two hundred ten trillion, two hundred one billion, two hundred twelve million, twenty-two thousand, two hundred twenty".