2222121222099 has 96 divisors (see below), whose sum is σ = 3393827424000. Its totient is φ = 1399497668352.

The previous prime is 2222121222077. The next prime is 2222121222137. The reversal of 2222121222099 is 9902221212222.

2222121222099 is a `hidden beast` number, since 2 + 222 + 121 + 2 + 220 + 99 = 666.

It is not a de Polignac number, because 2222121222099 - 2¹¹ = 2222121220051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2222121222029) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 796743397 + ... + 796746185.

It is an arithmetic number, because the mean of its divisors is an integer number (35352369000).

Almost surely, 2^{2222121222099} is an apocalyptic number.

2222121222099 is a deficient number, since it is larger than the sum of its proper divisors (1171706201901).

2222121222099 is a wasteful number, since it uses less digits than its factorization.

2222121222099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377 (or 3374 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 2222121222099 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-two thousand, ninety-nine".