1022220211111 has 8 divisors (see below), whose sum is σ = 1142348085648. Its totient is φ = 906625464000.

The previous prime is 1022220211091. The next prime is 1022220211123. The reversal of 1022220211111 is 1111120222201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022220211111 - 2⁷ = 1022220210983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022220211211) 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, 1133281380 + ... + 1133282281.

It is an arithmetic number, because the mean of its divisors is an integer number (142793510706).

Almost surely, 2^{1022220211111} is an apocalyptic number.

1022220211111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1022220211111 is a deficient number, since it is larger than the sum of its proper divisors (120127874537).

1022220211111 is a wasteful number, since it uses less digits than its factorization.

1022220211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266563713.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1022220211111 its reverse (1111120222201), we get a palindrome (2133340433312).

The spelling of 1022220211111 in words is "one trillion, twenty-two billion, two hundred twenty million, two hundred eleven thousand, one hundred eleven".