122012222210221 has 24 divisors (see below), whose sum is σ = 146864945607840. Its totient is φ = 100949407020000.

The previous prime is 122012222210171. The next prime is 122012222210233.

122012222210221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 122012222210221 - 2¹³ = 122012222202029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122012222210192 and 122012222210201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012222210521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5675955 + ... + 16620496.

It is an arithmetic number, because the mean of its divisors is an integer number (6119372733660).

Almost surely, 2^{122012222210221} is an apocalyptic number.

It is an amenable number.

122012222210221 is a deficient number, since it is larger than the sum of its proper divisors (24852723397619).

122012222210221 is a wasteful number, since it uses less digits than its factorization.

122012222210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22300345 (or 22300338 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The spelling of 122012222210221 in words is "one hundred twenty-two trillion, twelve billion, two hundred twenty-two million, two hundred ten thousand, two hundred twenty-one".