222101220102210 has 96 divisors (see below), whose sum is σ = 583188091198128. Its totient is φ = 58639835865600.

The previous prime is 222101220102197. The next prime is 222101220102247. The reversal of 222101220102210 is 12201022101222.

It is a happy number.

222101220102210 is a `hidden beast` number, since 2 + 2 + 210 + 1 + 220 + 10 + 221 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 204563308368969 + 17537911733241 = 14302563^2 + 4187829^2 .

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

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 47 ways as a sum of consecutive naturals, for example, 1416989004 + ... + 1417145736.

Almost surely, 2^{222101220102210} is an apocalyptic number.

222101220102210 is an abundant number, since it is smaller than the sum of its proper divisors (361086871095918).

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

222101220102210 is a wasteful number, since it uses less digits than its factorization.

222101220102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312740 (or 312737 counting only the distinct ones).

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

Adding to 222101220102210 its reverse (12201022101222), we get a palindrome (234302242203432).

The spelling of 222101220102210 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred twenty million, one hundred two thousand, two hundred ten".