2201212222122 has 16 divisors (see below), whose sum is σ = 4402456799040. Its totient is φ = 733732014912.

The previous prime is 2201212222061. The next prime is 2201212222211. The reversal of 2201212222122 is 2212222121022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413878 + ... + 2138625.

It is an arithmetic number, because the mean of its divisors is an integer number (275153549940).

Almost surely, 2^{2201212222122} is an apocalyptic number.

2201212222122 is an abundant number, since it is smaller than the sum of its proper divisors (2201244576918).

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

2201212222122 is a wasteful number, since it uses less digits than its factorization.

2201212222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696237.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2201212222122 its reverse (2212222121022), we get a palindrome (4413434343144).

The spelling of 2201212222122 in words is "two trillion, two hundred one billion, two hundred twelve million, two hundred twenty-two thousand, one hundred twenty-two".