122100202022221 has 8 divisors (see below), whose sum is σ = 122161594595040. Its totient is φ = 122038810593168.

The previous prime is 122100202022213. The next prime is 122100202022231. The reversal of 122100202022221 is 122220202001221.

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 122100202022221 - 2³ = 122100202022213 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 (122100202022231) 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, 283964490 + ... + 284394148.

It is an arithmetic number, because the mean of its divisors is an integer number (15270199324380).

Almost surely, 2^{122100202022221} is an apocalyptic number.

It is an amenable number.

122100202022221 is a deficient number, since it is larger than the sum of its proper divisors (61392572819).

122100202022221 is a wasteful number, since it uses less digits than its factorization.

122100202022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571883.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122100202022221 its reverse (122220202001221), we get a palindrome (244320404023442).

The spelling of 122100202022221 in words is "one hundred twenty-two trillion, one hundred billion, two hundred two million, twenty-two thousand, two hundred twenty-one".