222121120222010 has 64 divisors (see below), whose sum is σ = 403174395195264. Its totient is φ = 88105715712000.

The previous prime is 222121120221943. The next prime is 222121120222039. The reversal of 222121120222010 is 10222021121222.

222121120222010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 10390648442 + ... + 10390669818.

It is an arithmetic number, because the mean of its divisors is an integer number (6299599924926).

Almost surely, 2^{222121120222010} is an apocalyptic number.

222121120222010 is a deficient number, since it is larger than the sum of its proper divisors (181053274973254).

222121120222010 is a wasteful number, since it uses less digits than its factorization.

222121120222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39279.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222121120222010 its reverse (10222021121222), we get a palindrome (232343141343232).

The spelling of 222121120222010 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one hundred twenty million, two hundred twenty-two thousand, ten".