1122022122112 has 32 divisors (see below), whose sum is σ = 2235328387380. Its totient is φ = 560998526976.

The previous prime is 1122022122073. The next prime is 1122022122113. The reversal of 1122022122112 is 2112212202211.

It can be written as a sum of positive squares in 2 ways, for example, as 1111034051136 + 10988070976 = 1054056^2 + 104824^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1122022122112.

It is not an unprimeable number, because it can be changed into a prime (1122022122113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8798518 + ... + 8925130.

Almost surely, 2^{1122022122112} is an apocalyptic number.

It is an amenable number.

1122022122112 is a deficient number, since it is larger than the sum of its proper divisors (1113306265268).

1122022122112 is an equidigital number, since it uses as much as digits as its factorization.

1122022122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195860 (or 195848 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1122022122112 its reverse (2112212202211), we get a palindrome (3234234324323).

The spelling of 1122022122112 in words is "one trillion, one hundred twenty-two billion, twenty-two million, one hundred twenty-two thousand, one hundred twelve".