122020010999 has 4 divisors (see below), whose sum is σ = 122021348664. Its totient is φ = 122018673336.

The previous prime is 122020010977. The next prime is 122020011007. The reversal of 122020010999 is 999010020221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999010020221 = 1171 ⋅853125551.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122020010999 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 (122020010899) 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, 521132 + ... + 718065.

It is an arithmetic number, because the mean of its divisors is an integer number (30505337166).

Almost surely, 2^122020010999 is an apocalyptic number.

122020010999 is a deficient number, since it is larger than the sum of its proper divisors (1337665).

122020010999 is an equidigital number, since it uses as much as digits as its factorization.

122020010999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337664.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 122020010999 in words is "one hundred twenty-two billion, twenty million, ten thousand, nine hundred ninety-nine".