22021202222129 has 4 divisors (see below), whose sum is σ = 24023129696880. Its totient is φ = 20019274747380.

The previous prime is 22021202222099. The next prime is 22021202222189. The reversal of 22021202222129 is 92122220212022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22021202222129 - 2¹² = 22021202218033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021202222189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000963737359 + ... + 1000963737380.

It is an arithmetic number, because the mean of its divisors is an integer number (6005782424220).

Almost surely, 2^{22021202222129} is an apocalyptic number.

It is an amenable number.

22021202222129 is a deficient number, since it is larger than the sum of its proper divisors (2001927474751).

22021202222129 is a wasteful number, since it uses less digits than its factorization.

22021202222129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001927474750.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 22021202222129 in words is "twenty-two trillion, twenty-one billion, two hundred two million, two hundred twenty-two thousand, one hundred twenty-nine".