122022110021 has 4 divisors (see below), whose sum is σ = 139453840032. Its totient is φ = 104590380012.

The previous prime is 122022110017. The next prime is 122022110071. The reversal of 122022110021 is 120011220221.

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 122022110021 - 2² = 122022110017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122022109978 and 122022110005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122022110071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8715864995 + ... + 8715865008.

It is an arithmetic number, because the mean of its divisors is an integer number (34863460008).

Almost surely, 2^122022110021 is an apocalyptic number.

It is an amenable number.

122022110021 is a deficient number, since it is larger than the sum of its proper divisors (17431730011).

122022110021 is an equidigital number, since it uses as much as digits as its factorization.

122022110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17431730010.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122022110021 its reverse (120011220221), we get a palindrome (242033330242).

The spelling of 122022110021 in words is "one hundred twenty-two billion, twenty-two million, one hundred ten thousand, twenty-one".