222110011221210 has 96 divisors (see below), whose sum is σ = 694720035135360. Its totient is φ = 48096002427264.

The previous prime is 222110011221079. The next prime is 222110011221331. The reversal of 222110011221210 is 12122110011222.

222110011221210 is a `hidden beast` number, since 2 + 221 + 1 + 0 + 0 + 11 + 221 + 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 47 ways as a sum of consecutive naturals, for example, 9277766277 + ... + 9277790216.

It is an arithmetic number, because the mean of its divisors is an integer number (7236667032660).

Almost surely, 2^{222110011221210} is an apocalyptic number.

222110011221210 is an abundant number, since it is smaller than the sum of its proper divisors (472610023914150).

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

222110011221210 is a wasteful number, since it uses less digits than its factorization.

222110011221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18555556532 (or 18555556529 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222110011221210 its reverse (12122110011222), we get a palindrome (234232121232432).

The spelling of 222110011221210 in words is "two hundred twenty-two trillion, one hundred ten billion, eleven million, two hundred twenty-one thousand, two hundred ten".