1022222122011 has 8 divisors (see below), whose sum is σ = 1514403143760. Its totient is φ = 681481414656.

The previous prime is 1022222122007. The next prime is 1022222122013. The reversal of 1022222122011 is 1102212222201.

It is a happy number.

1022222122011 is a `hidden beast` number, since 1 + 0 + 222 + 221 + 220 + 1 + 1 = 666.

It is not a de Polignac number, because 1022222122011 - 2² = 1022222122007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022222122013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18930039270 + ... + 18930039323.

It is an arithmetic number, because the mean of its divisors is an integer number (189300392970).

Almost surely, 2^{1022222122011} is an apocalyptic number.

1022222122011 is a deficient number, since it is larger than the sum of its proper divisors (492181021749).

1022222122011 is an equidigital number, since it uses as much as digits as its factorization.

1022222122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37860078602 (or 37860078596 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1022222122011 its reverse (1102212222201), we get a palindrome (2124434344212).

The spelling of 1022222122011 in words is "one trillion, twenty-two billion, two hundred twenty-two million, one hundred twenty-two thousand, eleven".