122021202222021 has 16 divisors (see below), whose sum is σ = 172302489321984. Its totient is φ = 76649269141104.

The previous prime is 122021202222001. The next prime is 122021202222037. The reversal of 122021202222021 is 120222202120221.

It is not a de Polignac number, because 122021202222021 - 2¹³ = 122021202213829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021202222001) 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, 13197183591 + ... + 13197192836.

It is an arithmetic number, because the mean of its divisors is an integer number (10768905582624).

Almost surely, 2^{122021202222021} is an apocalyptic number.

It is an amenable number.

122021202222021 is a deficient number, since it is larger than the sum of its proper divisors (50281287099963).

122021202222021 is a wasteful number, since it uses less digits than its factorization.

122021202222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26394376520.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 122021202222021 its reverse (120222202120221), we get a palindrome (242243404342242).

The spelling of 122021202222021 in words is "one hundred twenty-two trillion, twenty-one billion, two hundred two million, two hundred twenty-two thousand, twenty-one".