2122221211210 has 8 divisors (see below), whose sum is σ = 3819998180196. Its totient is φ = 848888484480.

The previous prime is 2122221211169. The next prime is 2122221211249. The reversal of 2122221211210 is 121121222212.

It can be written as a sum of positive squares in 2 ways, for example, as 2106117855009 + 16103356201 = 1451247^2 + 126899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106111060551 + ... + 106111060570.

Almost surely, 2^{2122221211210} is an apocalyptic number.

2122221211210 is a deficient number, since it is larger than the sum of its proper divisors (1697776968986).

2122221211210 is a wasteful number, since it uses less digits than its factorization.

2122221211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212222121128.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2122221211210 its reverse (121121222212), we get a palindrome (2243342433422).

The spelling of 2122221211210 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, two hundred ten".