222220221101010 has 96 divisors (see below), whose sum is σ = 630309100442112. Its totient is φ = 53870564816640.

The previous prime is 222220221100993. The next prime is 222220221101017. The reversal of 222220221101010 is 10101122022222.

It is a happy number.

222220221101010 is a `hidden beast` number, since 222 + 220 + 2 + 211 + 0 + 1 + 0 + 10 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (222220221101017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51758982 + ... + 55887678.

It is an arithmetic number, because the mean of its divisors is an integer number (6565719796272).

Almost surely, 2^{222220221101010} is an apocalyptic number.

222220221101010 is an abundant number, since it is smaller than the sum of its proper divisors (408088879341102).

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

222220221101010 is a wasteful number, since it uses less digits than its factorization.

222220221101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183088 (or 4183085 counting only the distinct ones).

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

Adding to 222220221101010 its reverse (10101122022222), we get a palindrome (232321343123232).

The spelling of 222220221101010 in words is "two hundred twenty-two trillion, two hundred twenty billion, two hundred twenty-one million, one hundred one thousand, ten".