1022120222211 has 48 divisors (see below), whose sum is σ = 1696380192000. Its totient is φ = 586518045120.

The previous prime is 1022120222171. The next prime is 1022120222239. The reversal of 1022120222211 is 1122220212201.

It is a happy number.

1022120222211 is a `hidden beast` number, since 10 + 221 + 2 + 0 + 222 + 211 = 666.

It is not a de Polignac number, because 1022120222211 - 2²¹ = 1022118125059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022120222251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3055650 + ... + 3373608.

It is an arithmetic number, because the mean of its divisors is an integer number (35341254000).

Almost surely, 2^{1022120222211} is an apocalyptic number.

1022120222211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1022120222211 is a deficient number, since it is larger than the sum of its proper divisors (674259969789).

1022120222211 is a wasteful number, since it uses less digits than its factorization.

1022120222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319704 (or 319701 counting only the distinct ones).

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

Adding to 1022120222211 its reverse (1122220212201), we get a palindrome (2144340434412).

The spelling of 1022120222211 in words is "one trillion, twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, two hundred eleven".