22210022121002 has 8 divisors (see below), whose sum is σ = 33394166278212. Its totient is φ = 11078633361600.

The previous prime is 22210022120981. The next prime is 22210022121043. The reversal of 22210022121002 is 20012122001222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18855230592121 + 3354791528881 = 4342261^2 + 1831609^2 .

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, 13188848399 + ... + 13188850082.

Almost surely, 2^{22210022121002} is an apocalyptic number.

22210022121002 is a deficient number, since it is larger than the sum of its proper divisors (11184144157210).

22210022121002 is a wasteful number, since it uses less digits than its factorization.

22210022121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26377698904.

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

Adding to 22210022121002 its reverse (20012122001222), we get a palindrome (42222144122224).

The spelling of 22210022121002 in words is "twenty-two trillion, two hundred ten billion, twenty-two million, one hundred twenty-one thousand, two".