122202424202221 has 24 divisors (see below), whose sum is σ = 141392561680160. Its totient is φ = 105245119156320.

The previous prime is 122202424202213. The next prime is 122202424202251.

It is a happy number.

122202424202221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 122202424202221 - 2³ = 122202424202213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122202424202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122202424202251) 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, 354363346 + ... + 354708028.

Almost surely, 2^{122202424202221} is an apocalyptic number.

122202424202221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122202424202221 is a deficient number, since it is larger than the sum of its proper divisors (19190137477939).

122202424202221 is a wasteful number, since it uses less digits than its factorization.

122202424202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498937 (or 498926 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The spelling of 122202424202221 in words is "one hundred twenty-two trillion, two hundred two billion, four hundred twenty-four million, two hundred two thousand, two hundred twenty-one".