1120221993997 has 8 divisors (see below), whose sum is σ = 1148552564544. Its totient is φ = 1091995009728.

The previous prime is 1120221993901. The next prime is 1120221994007. The reversal of 1120221993997 is 7993991220211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120221993997 is a prime.

It is a super-2 number, since 2×1120221993997² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120221993097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25874668 + ... + 25917925.

It is an arithmetic number, because the mean of its divisors is an integer number (143569070568).

Almost surely, 2^{1120221993997} is an apocalyptic number.

It is an amenable number.

1120221993997 is a deficient number, since it is larger than the sum of its proper divisors (28330570547).

1120221993997 is an equidigital number, since it uses as much as digits as its factorization.

1120221993997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51793139.

The product of its (nonzero) digits is 1102248, while the sum is 55.

The spelling of 1120221993997 in words is "one trillion, one hundred twenty billion, two hundred twenty-one million, nine hundred ninety-three thousand, nine hundred ninety-seven".