122000221202021 has 16 divisors (see below), whose sum is σ = 123724006936320. Its totient is φ = 120277863187200.

The previous prime is 122000221201981. The next prime is 122000221202053. The reversal of 122000221202021 is 120202122000221.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122000221202021 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 (122000221202221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4086957746 + ... + 4086987596.

It is an arithmetic number, because the mean of its divisors is an integer number (7732750433520).

Almost surely, 2^{122000221202021} is an apocalyptic number.

It is an amenable number.

122000221202021 is a deficient number, since it is larger than the sum of its proper divisors (1723785734299).

122000221202021 is a wasteful number, since it uses less digits than its factorization.

122000221202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51836.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122000221202021 its reverse (120202122000221), we get a palindrome (242202343202242).

The spelling of 122000221202021 in words is "one hundred twenty-two trillion, two hundred twenty-one million, two hundred two thousand, twenty-one".