1121022122112 has 64 divisors (see below), whose sum is σ = 3308572245600. Its totient is φ = 373674039552.

The previous prime is 1121022122093. The next prime is 1121022122149. The reversal of 1121022122112 is 2112212201211.

1121022122112 is a `hidden beast` number, since 1 + 1 + 210 + 221 + 221 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×1121022122112³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162181458 + ... + 162188369.

Almost surely, 2^{1121022122112} is an apocalyptic number.

1121022122112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121022122112 is an abundant number, since it is smaller than the sum of its proper divisors (2187550123488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121022122112 is an equidigital number, since it uses as much as digits as its factorization.

1121022122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324369850 (or 324369832 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1121022122112 its reverse (2112212201211), we get a palindrome (3233234323323).

The spelling of 1121022122112 in words is "one trillion, one hundred twenty-one billion, twenty-two million, one hundred twenty-two thousand, one hundred twelve".