1022222022111 has 16 divisors (see below), whose sum is σ = 1603485525600. Its totient is φ = 641394209664.

The previous prime is 1022222022071. The next prime is 1022222022203. The reversal of 1022222022111 is 1112202222201.

It is a happy number.

1022222022111 is a `hidden beast` number, since 1 + 0 + 222 + 220 + 221 + 1 + 1 = 666.

It is not a de Polignac number, because 1022222022111 - 2⁷ = 1022222021983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022222022011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1113531156 + ... + 1113532073.

It is an arithmetic number, because the mean of its divisors is an integer number (100217845350).

Almost surely, 2^{1022222022111} is an apocalyptic number.

1022222022111 is a deficient number, since it is larger than the sum of its proper divisors (581263503489).

1022222022111 is a wasteful number, since it uses less digits than its factorization.

1022222022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227063255 (or 2227063249 counting only the distinct ones).

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

Adding to 1022222022111 its reverse (1112202222201), we get a palindrome (2134424244312).

The spelling of 1022222022111 in words is "one trillion, twenty-two billion, two hundred twenty-two million, twenty-two thousand, one hundred eleven".