10022012002091 has 4 divisors (see below), whose sum is σ = 10163167100784. Its totient is φ = 9880856903400.

The previous prime is 10022012002031. The next prime is 10022012002109. The reversal of 10022012002091 is 19020021022001.

It is a happy number.

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 10022012002091 - 2⁴² = 5623965490987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10022012002031) 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, 70577549240 + ... + 70577549381.

It is an arithmetic number, because the mean of its divisors is an integer number (2540791775196).

Almost surely, 2^{10022012002091} is an apocalyptic number.

10022012002091 is a deficient number, since it is larger than the sum of its proper divisors (141155098693).

10022012002091 is an equidigital number, since it uses as much as digits as its factorization.

10022012002091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141155098692.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 10022012002091 its reverse (19020021022001), we get a palindrome (29042033024092).

The spelling of 10022012002091 in words is "ten trillion, twenty-two billion, twelve million, two thousand, ninety-one".