1022220212211 has 96 divisors (see below), whose sum is σ = 1668850560000. Its totient is φ = 597497264640.

The previous prime is 1022220212179. The next prime is 1022220212239. The reversal of 1022220212211 is 1122120222201.

It is a happy number.

1022220212211 is a `hidden beast` number, since 1 + 0 + 22 + 220 + 212 + 211 = 666.

1022220212211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1022220212211 - 2⁵ = 1022220212179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022220212261) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 511364790 + ... + 511366788.

It is an arithmetic number, because the mean of its divisors is an integer number (17383860000).

Almost surely, 2^{1022220212211} is an apocalyptic number.

1022220212211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1022220212211 is a deficient number, since it is larger than the sum of its proper divisors (646630347789).

1022220212211 is a wasteful number, since it uses less digits than its factorization.

1022220212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209 (or 3206 counting only the distinct ones).

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

Adding to 1022220212211 its reverse (1122120222201), we get a palindrome (2144340434412).

The spelling of 1022220212211 in words is "one trillion, twenty-two billion, two hundred twenty million, two hundred twelve thousand, two hundred eleven".