22122211200002 has 8 divisors (see below), whose sum is σ = 33199480136316. Its totient is φ = 11055717821232.

The previous prime is 22122211199947. The next prime is 22122211200031. The reversal of 22122211200002 is 20000211222122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21585975737041 + 536235462961 = 4646071^2 + 732281^2 .

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, 2693884253 + ... + 2693892464.

Almost surely, 2^{22122211200002} is an apocalyptic number.

22122211200002 is a deficient number, since it is larger than the sum of its proper divisors (11077268936314).

22122211200002 is a wasteful number, since it uses less digits than its factorization.

22122211200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5387778772.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22122211200002 its reverse (20000211222122), we get a palindrome (42122422422124).

The spelling of 22122211200002 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred eleven million, two hundred thousand, two".