22121000112002 has 16 divisors (see below), whose sum is σ = 38327294312352. Its totient is φ = 9463529459520.

The previous prime is 22121000111999. The next prime is 22121000112011. The reversal of 22121000112002 is 20021100012122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29573529188 + ... + 29573529935.

It is an arithmetic number, because the mean of its divisors is an integer number (2395455894522).

Almost surely, 2^{22121000112002} is an apocalyptic number.

22121000112002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22121000112002 is a deficient number, since it is larger than the sum of its proper divisors (16206294200350).

22121000112002 is a wasteful number, since it uses less digits than its factorization.

22121000112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59147059153.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22121000112002 its reverse (20021100012122), we get a palindrome (42142100124124).

The spelling of 22121000112002 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twelve thousand, two".