122000011021 has 4 divisors (see below), whose sum is σ = 139428584032. Its totient is φ = 104571438012.

The previous prime is 122000010991. The next prime is 122000011039. The reversal of 122000011021 is 120110000221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122000011021 - 2⁵ = 122000010989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122000010989 and 122000011007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000011121) 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, 8714286495 + ... + 8714286508.

It is an arithmetic number, because the mean of its divisors is an integer number (34857146008).

Almost surely, 2^122000011021 is an apocalyptic number.

It is an amenable number.

122000011021 is a deficient number, since it is larger than the sum of its proper divisors (17428573011).

122000011021 is an equidigital number, since it uses as much as digits as its factorization.

122000011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17428573010.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 122000011021 its reverse (120110000221), we get a palindrome (242110011242).

The spelling of 122000011021 in words is "one hundred twenty-two billion, eleven thousand, twenty-one".