222100020121210 has 256 divisors, whose sum is σ = 521571996288000. Its totient is φ = 66068739072000.

The previous prime is 222100020121169. The next prime is 222100020121223. The reversal of 222100020121210 is 12121020001222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1382436966 + ... + 1382597614.

It is an arithmetic number, because the mean of its divisors is an integer number (2037390610500).

Almost surely, 2^{222100020121210} is an apocalyptic number.

222100020121210 is an abundant number, since it is smaller than the sum of its proper divisors (299471976166790).

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

222100020121210 is a wasteful number, since it uses less digits than its factorization.

222100020121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161417.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222100020121210 its reverse (12121020001222), we get a palindrome (234221040122432).

The spelling of 222100020121210 in words is "two hundred twenty-two trillion, one hundred billion, twenty million, one hundred twenty-one thousand, two hundred ten".