222121212022010 has 128 divisors (see below), whose sum is σ = 477457664624640. Its totient is φ = 72788631552000.

The previous prime is 222121212021979. The next prime is 222121212022063. The reversal of 222121212022010 is 10220212121222.

222121212022010 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 63 ways as a sum of consecutive naturals, for example, 1170831482 + ... + 1171021178.

It is an arithmetic number, because the mean of its divisors is an integer number (3730138004880).

Almost surely, 2^{222121212022010} is an apocalyptic number.

222121212022010 is an abundant number, since it is smaller than the sum of its proper divisors (255336452602630).

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

222121212022010 is a wasteful number, since it uses less digits than its factorization.

222121212022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195552.

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

Adding to 222121212022010 its reverse (10220212121222), we get a palindrome (232341424143232).

The spelling of 222121212022010 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, two hundred twelve million, twenty-two thousand, ten".