222221200120210 has 64 divisors (see below), whose sum is σ = 407538253438848. Its totient is φ = 87228693909504.

The previous prime is 222221200120193. The next prime is 222221200120223. The reversal of 222221200120210 is 12021002122222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103541869 + ... + 105666271.

It is an arithmetic number, because the mean of its divisors is an integer number (6367785209982).

Almost surely, 2^{222221200120210} is an apocalyptic number.

222221200120210 is a deficient number, since it is larger than the sum of its proper divisors (185317053318638).

222221200120210 is a wasteful number, since it uses less digits than its factorization.

222221200120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125339.

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

Adding to 222221200120210 its reverse (12021002122222), we get a palindrome (234242202242432).

The spelling of 222221200120210 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred million, one hundred twenty thousand, two hundred ten".