22102120002002 has 8 divisors (see below), whose sum is σ = 33153269596812. Its totient is φ = 11051030136400.

The previous prime is 22102120001999. The next prime is 22102120002031. The reversal of 22102120002002 is 20020002120122.

It can be written as a sum of positive squares in 2 ways, for example, as 21828602507881 + 273517494121 = 4672109^2 + 522989^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13995449 + ... + 15494412.

Almost surely, 2^{22102120002002} is an apocalyptic number.

22102120002002 is a deficient number, since it is larger than the sum of its proper divisors (11051149594810).

22102120002002 is a wasteful number, since it uses less digits than its factorization.

22102120002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29864604.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22102120002002 its reverse (20020002120122), we get a palindrome (42122122122124).

The spelling of 22102120002002 in words is "twenty-two trillion, one hundred two billion, one hundred twenty million, two thousand, two".