22121000002199 has 8 divisors (see below), whose sum is σ = 26768268910368. Its totient is φ = 17845512606720.

The previous prime is 22121000002181. The next prime is 22121000002201. The reversal of 22121000002199 is 99120000012122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22121000002199 - 2²⁸ = 22120731566743 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 (22121000002159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92945378042 + ... + 92945378279.

It is an arithmetic number, because the mean of its divisors is an integer number (3346033613796).

Almost surely, 2^{22121000002199} is an apocalyptic number.

22121000002199 is a deficient number, since it is larger than the sum of its proper divisors (4647268908169).

22121000002199 is a wasteful number, since it uses less digits than its factorization.

22121000002199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185890756345.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 22121000002199 in words is "twenty-two trillion, one hundred twenty-one billion, two thousand, one hundred ninety-nine".