122022100010221 has 4 divisors (see below), whose sum is σ = 122039484559200. Its totient is φ = 122004715461244.

The previous prime is 122022100010179. The next prime is 122022100010233. The reversal of 122022100010221 is 122010001220221.

It is a happy number.

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 122022100010221 - 2³⁷ = 121884661056749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122022100010195 and 122022100010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122022100310221) 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, 8692263961 + ... + 8692277998.

It is an arithmetic number, because the mean of its divisors is an integer number (30509871139800).

Almost surely, 2^{122022100010221} is an apocalyptic number.

It is an amenable number.

122022100010221 is a deficient number, since it is larger than the sum of its proper divisors (17384548979).

122022100010221 is an equidigital number, since it uses as much as digits as its factorization.

122022100010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17384548978.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122022100010221 its reverse (122010001220221), we get a palindrome (244032101230442).

The spelling of 122022100010221 in words is "one hundred twenty-two trillion, twenty-two billion, one hundred million, ten thousand, two hundred twenty-one".