1111922961072 has 400 divisors, whose sum is σ = 3668841762432. Its totient is φ = 287769646080.

The previous prime is 1111922961067. The next prime is 1111922961091. The reversal of 1111922961072 is 2701692291111.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 389191068 + ... + 389193924.

Almost surely, 2^{1111922961072} is an apocalyptic number.

1111922961072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111922961072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1834420881216).

1111922961072 is an abundant number, since it is smaller than the sum of its proper divisors (2556918801360).

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

1111922961072 is a wasteful number, since it uses less digits than its factorization.

1111922961072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214 (or 3187 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 42.

The spelling of 1111922961072 in words is "one trillion, one hundred eleven billion, nine hundred twenty-two million, nine hundred sixty-one thousand, seventy-two".