22100221021002 has 32 divisors (see below), whose sum is σ = 44253184472640. Its totient is φ = 7357952933760.

The previous prime is 22100221020989. The next prime is 22100221021007. The reversal of 22100221021002 is 20012012200122.

It is not an unprimeable number, because it can be changed into a prime (22100221021007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29343477 + ... + 30087207.

It is an arithmetic number, because the mean of its divisors is an integer number (1382912014770).

Almost surely, 2^{22100221021002} is an apocalyptic number.

22100221021002 is an abundant number, since it is smaller than the sum of its proper divisors (22152963451638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22100221021002 is a wasteful number, since it uses less digits than its factorization.

22100221021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749638.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22100221021002 its reverse (20012012200122), we get a palindrome (42112233221124).

The spelling of 22100221021002 in words is "twenty-two trillion, one hundred billion, two hundred twenty-one million, twenty-one thousand, two".