2122211111210 has 16 divisors (see below), whose sum is σ = 3951703449000. Its totient is φ = 819612566976.

The previous prime is 2122211111197. The next prime is 2122211111243. The reversal of 2122211111210 is 121111122212.

It can be written as a sum of positive squares in 4 ways, for example, as 1191636407641 + 930574703569 = 1091621^2 + 964663^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3658984385 + ... + 3658984964.

Almost surely, 2^{2122211111210} is an apocalyptic number.

2122211111210 is a deficient number, since it is larger than the sum of its proper divisors (1829492337790).

2122211111210 is a wasteful number, since it uses less digits than its factorization.

2122211111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7317969385.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2122211111210 its reverse (121111122212), we get a palindrome (2243322233422).

The spelling of 2122211111210 in words is "two trillion, one hundred twenty-two billion, two hundred eleven million, one hundred eleven thousand, two hundred ten".