222021120012010 has 128 divisors (see below), whose sum is σ = 444861951621120. Its totient is φ = 79106234592000.

The previous prime is 222021120011989. The next prime is 222021120012017. The reversal of 222021120012010 is 10210021120222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (222021120012017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1149444021 + ... + 1149637159.

It is an arithmetic number, because the mean of its divisors is an integer number (3475483997040).

Almost surely, 2^{222021120012010} is an apocalyptic number.

222021120012010 is an abundant number, since it is smaller than the sum of its proper divisors (222840831609110).

222021120012010 is a wasteful number, since it uses less digits than its factorization.

222021120012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194332.

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

Adding to 222021120012010 its reverse (10210021120222), we get a palindrome (232231141132232).

The spelling of 222021120012010 in words is "two hundred twenty-two trillion, twenty-one billion, one hundred twenty million, twelve thousand, ten".