122210120021 has 8 divisors (see below), whose sum is σ = 133482528288. Its totient is φ = 110964778000.

The previous prime is 122210119991. The next prime is 122210120023. The reversal of 122210120021 is 120021012221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122210120021 - 2¹⁰ = 122210118997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122210119978 and 122210120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122210120023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6757115 + ... + 6775176.

It is an arithmetic number, because the mean of its divisors is an integer number (16685316036).

Almost surely, 2^122210120021 is an apocalyptic number.

122210120021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122210120021 is a deficient number, since it is larger than the sum of its proper divisors (11272408267).

122210120021 is a wasteful number, since it uses less digits than its factorization.

122210120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13533123.

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

Adding to 122210120021 its reverse (120021012221), we get a palindrome (242231132242).

The spelling of 122210120021 in words is "one hundred twenty-two billion, two hundred ten million, one hundred twenty thousand, twenty-one".