1122112121099 has 4 divisors (see below), whose sum is σ = 1122120381264. Its totient is φ = 1122103860936.

The previous prime is 1122112121077. The next prime is 1122112121131. The reversal of 1122112121099 is 9901212112211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1122112121099 - 2³⁶ = 1053392644363 is a prime.

It is a super-2 number, since 2×1122112121099² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122142121099) 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, 3922847 + ... + 4199160.

It is an arithmetic number, because the mean of its divisors is an integer number (280530095316).

Almost surely, 2^{1122112121099} is an apocalyptic number.

1122112121099 is a deficient number, since it is larger than the sum of its proper divisors (8260165).

1122112121099 is an equidigital number, since it uses as much as digits as its factorization.

1122112121099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8260164.

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 1122112121099 in words is "one trillion, one hundred twenty-two billion, one hundred twelve million, one hundred twenty-one thousand, ninety-nine".