122200121120021 has 8 divisors (see below), whose sum is σ = 141097047067200. Its totient is φ = 103663136619648.

The previous prime is 122200121119883. The next prime is 122200121120069. The reversal of 122200121120021 is 120021121002221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122200121120021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200121120221) 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, 89985360971 + ... + 89985362328.

It is an arithmetic number, because the mean of its divisors is an integer number (17637130883400).

Almost surely, 2^{122200121120021} is an apocalyptic number.

It is an amenable number.

122200121120021 is a deficient number, since it is larger than the sum of its proper divisors (18896925947179).

122200121120021 is an equidigital number, since it uses as much as digits as its factorization.

122200121120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179970723403.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122200121120021 its reverse (120021121002221), we get a palindrome (242221242122242).

The spelling of 122200121120021 in words is "one hundred twenty-two trillion, two hundred billion, one hundred twenty-one million, one hundred twenty thousand, twenty-one".