220001210112210 has 32 divisors (see below), whose sum is σ = 528044352937920. Its totient is φ = 58662383955648.

The previous prime is 220001210112163. The next prime is 220001210112239. The reversal of 220001210112210 is 12211012100022.

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 220001210112210.

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, 287449437 + ... + 288213776.

It is an arithmetic number, because the mean of its divisors is an integer number (16501386029310).

Almost surely, 2^{220001210112210} is an apocalyptic number.

220001210112210 is an abundant number, since it is smaller than the sum of its proper divisors (308043142825710).

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

220001210112210 is a wasteful number, since it uses less digits than its factorization.

220001210112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575675962.

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

Adding to 220001210112210 its reverse (12211012100022), we get a palindrome (232212222212232).

The spelling of 220001210112210 in words is "two hundred twenty trillion, one billion, two hundred ten million, one hundred twelve thousand, two hundred ten".