1022211122210 has 16 divisors (see below), whose sum is σ = 1856860572600. Its totient is φ = 405133214976.

The previous prime is 1022211122209. The next prime is 1022211122243. The reversal of 1022211122210 is 122211122201.

It can be written as a sum of positive squares in 4 ways, for example, as 586490993929 + 435720128281 = 765827^2 + 660091^2 .

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, 468903095 + ... + 468905274.

Almost surely, 2^{1022211122210} is an apocalyptic number.

1022211122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022211122210 is a deficient number, since it is larger than the sum of its proper divisors (834649450390).

1022211122210 is a wasteful number, since it uses less digits than its factorization.

1022211122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937808485.

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

Adding to 1022211122210 its reverse (122211122201), we get a palindrome (1144422244411).

Subtracting from 1022211122210 its reverse (122211122201), we obtain a palindrome (900000000009).

The spelling of 1022211122210 in words is "one trillion, twenty-two billion, two hundred eleven million, one hundred twenty-two thousand, two hundred ten".