1122001309988 has 48 divisors (see below), whose sum is σ = 2141827914240. Its totient is φ = 511183436544.

The previous prime is 1122001309879. The next prime is 1122001310021. The reversal of 1122001309988 is 8899031002211.

It is a happy number.

It is a super-2 number, since 2×1122001309988² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2609495 + ... + 3008897.

It is an arithmetic number, because the mean of its divisors is an integer number (44621414880).

Almost surely, 2^{1122001309988} is an apocalyptic number.

It is an amenable number.

1122001309988 is a deficient number, since it is larger than the sum of its proper divisors (1019826604252).

1122001309988 is a wasteful number, since it uses less digits than its factorization.

1122001309988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400116 (or 400114 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 44.

The spelling of 1122001309988 in words is "one trillion, one hundred twenty-two billion, one million, three hundred nine thousand, nine hundred eighty-eight".