222201021210210 has 128 divisors (see below), whose sum is σ = 679882010572800. Its totient is φ = 50586458904000.

The previous prime is 222201021210193. The next prime is 222201021210239. The reversal of 222201021210210 is 12012120102222.

It is a happy number.

222201021210210 is a `hidden beast` number, since 2 + 2 + 220 + 1 + 0 + 21 + 210 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 233722180 + ... + 234670959.

It is an arithmetic number, because the mean of its divisors is an integer number (5311578207600).

Almost surely, 2^{222201021210210} is an apocalyptic number.

222201021210210 is an abundant number, since it is smaller than the sum of its proper divisors (457680989362590).

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

222201021210210 is a wasteful number, since it uses less digits than its factorization.

222201021210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468393413 (or 468393407 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222201021210210 its reverse (12012120102222), we get a palindrome (234213141312432).

The spelling of 222201021210210 in words is "two hundred twenty-two trillion, two hundred one billion, twenty-one million, two hundred ten thousand, two hundred ten".