2111022212210 has 8 divisors (see below), whose sum is σ = 3799839981996. Its totient is φ = 844408884880.

The previous prime is 2111022212191. The next prime is 2111022212239. The reversal of 2111022212210 is 122122201112.

It can be written as a sum of positive squares in 2 ways, for example, as 2099377859929 + 11644352281 = 1448923^2 + 107909^2 .

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

It is a Curzon number.

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, 105551110601 + ... + 105551110620.

Almost surely, 2^{2111022212210} is an apocalyptic number.

2111022212210 is a deficient number, since it is larger than the sum of its proper divisors (1688817769786).

2111022212210 is a wasteful number, since it uses less digits than its factorization.

2111022212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211102221228.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2111022212210 its reverse (122122201112), we get a palindrome (2233144413322).

It can be divided in two parts, 2111022 and 212210, that added together give a palindrome (2323232).

The spelling of 2111022212210 in words is "two trillion, one hundred eleven billion, twenty-two million, two hundred twelve thousand, two hundred ten".