222101211220210 has 32 divisors (see below), whose sum is σ = 457091624547072. Its totient is φ = 76116035983680.

The previous prime is 222101211220153. The next prime is 222101211220219. The reversal of 222101211220210 is 12022112101222.

It is a super-2 number, since 2×222101211220210² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222101211220219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686310417 + ... + 686633956.

It is an arithmetic number, because the mean of its divisors is an integer number (14284113267096).

Almost surely, 2^{222101211220210} is an apocalyptic number.

222101211220210 is an abundant number, since it is smaller than the sum of its proper divisors (234990413326862).

222101211220210 is a wasteful number, since it uses less digits than its factorization.

222101211220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372946698.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222101211220210 its reverse (12022112101222), we get a palindrome (234123323321432).

The spelling of 222101211220210 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred eleven million, two hundred twenty thousand, two hundred ten".