22120021022002 has 8 divisors (see below), whose sum is σ = 33180653263212. Its totient is φ = 11059803267600.

The previous prime is 22120021021999. The next prime is 22120021022039. The reversal of 22120021022002 is 20022012002122.

It can be written as a sum of positive squares in 2 ways, for example, as 21446244358081 + 673776663921 = 4631009^2 + 820839^2 .

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, 103488249 + ... + 103701772.

Almost surely, 2^{22120021022002} is an apocalyptic number.

22120021022002 is a deficient number, since it is larger than the sum of its proper divisors (11060632241210).

22120021022002 is a wasteful number, since it uses less digits than its factorization.

22120021022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207243404.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22120021022002 its reverse (20022012002122), we get a palindrome (42142033024124).

The spelling of 22120021022002 in words is "twenty-two trillion, one hundred twenty billion, twenty-one million, twenty-two thousand, two".