22100221121002 has 16 divisors (see below), whose sum is σ = 35707510144512. Its totient is φ = 10228713842160.

The previous prime is 22100221120963. The next prime is 22100221121051. The reversal of 22100221121002 is 20012112200122.

It is a happy number.

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, 7749024213 + ... + 7749027064.

It is an arithmetic number, because the mean of its divisors is an integer number (2231719384032).

Almost surely, 2^{22100221121002} is an apocalyptic number.

22100221121002 is a deficient number, since it is larger than the sum of its proper divisors (13607289023510).

22100221121002 is a wasteful number, since it uses less digits than its factorization.

22100221121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15498051333.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22100221121002 its reverse (20012112200122), we get a palindrome (42112333321124).

The spelling of 22100221121002 in words is "twenty-two trillion, one hundred billion, two hundred twenty-one million, one hundred twenty-one thousand, two".