122626626221 has 32 divisors (see below), whose sum is σ = 143561049600. Its totient is φ = 103562712000.

The previous prime is 122626626193. The next prime is 122626626263.

122626626221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 122626626221 - 2²⁶ = 122559517357 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 (122626626721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4205390 + ... + 4234448.

It is an arithmetic number, because the mean of its divisors is an integer number (4486282800).

Almost surely, 2^122626626221 is an apocalyptic number.

122626626221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122626626221 is a deficient number, since it is larger than the sum of its proper divisors (20934423379).

122626626221 is a wasteful number, since it uses less digits than its factorization.

122626626221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29481.

The product of its digits is 82944, while the sum is 38.

It can be divided in two parts, 122626 and 626221, that added together give a palindrome (748847).

The spelling of 122626626221 in words is "one hundred twenty-two billion, six hundred twenty-six million, six hundred twenty-six thousand, two hundred twenty-one".