222121003302210 has 64 divisors (see below), whose sum is σ = 550364361523200. Its totient is φ = 57313477487040.

The previous prime is 222121003302169. The next prime is 222121003302217. The reversal of 222121003302210 is 12203300121222.

222121003302210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222121003302217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10206810 + ... + 23418389.

It is an arithmetic number, because the mean of its divisors is an integer number (8599443148800).

Almost surely, 2^{222121003302210} is an apocalyptic number.

222121003302210 is an abundant number, since it is smaller than the sum of its proper divisors (328243358220990).

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

222121003302210 is a wasteful number, since it uses less digits than its factorization.

222121003302210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33632343.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 222121003302210 its reverse (12203300121222), we get a palindrome (234324303423432).

The spelling of 222121003302210 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, three million, three hundred two thousand, two hundred ten".