101222020999 has 4 divisors (see below), whose sum is σ = 110424022920. Its totient is φ = 92020019080.

The previous prime is 101222020981. The next prime is 101222021003. The reversal of 101222020999 is 999020222101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 101222020999 - 2⁷ = 101222020871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222020399) 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, 4601000944 + ... + 4601000965.

It is an arithmetic number, because the mean of its divisors is an integer number (27606005730).

Almost surely, 2^101222020999 is an apocalyptic number.

101222020999 is a deficient number, since it is larger than the sum of its proper divisors (9202001921).

101222020999 is an equidigital number, since it uses as much as digits as its factorization.

101222020999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9202001920.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 101222020999 in words is "one hundred one billion, two hundred twenty-two million, twenty thousand, nine hundred ninety-nine".