1001120221219 has 4 divisors (see below), whose sum is σ = 1001178338400. Its totient is φ = 1001062104040.

The previous prime is 1001120221169. The next prime is 1001120221223. The reversal of 1001120221219 is 9121220211001.

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 1001120221219 - 2⁹ = 1001120220707 is a prime.

It is a super-2 number, since 2×1001120221219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001120221219.

It is not an unprimeable number, because it can be changed into a prime (1001120225219) 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, 29032744 + ... + 29067205.

It is an arithmetic number, because the mean of its divisors is an integer number (250294584600).

Almost surely, 2^{1001120221219} is an apocalyptic number.

1001120221219 is a deficient number, since it is larger than the sum of its proper divisors (58117181).

1001120221219 is an equidigital number, since it uses as much as digits as its factorization.

1001120221219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58117180.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 1001120221219 in words is "one trillion, one billion, one hundred twenty million, two hundred twenty-one thousand, two hundred nineteen".