22001000100002 has 64 divisors (see below), whose sum is σ = 41974322217984. Its totient is φ = 8399397090240.

The previous prime is 22001000099999. The next prime is 22001000100047. The reversal of 22001000100002 is 20000100010022.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4710953 + ... + 8136035.

It is an arithmetic number, because the mean of its divisors is an integer number (655848784656).

Almost surely, 2^{22001000100002} is an apocalyptic number.

22001000100002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22001000100002 is a deficient number, since it is larger than the sum of its proper divisors (19973322117982).

22001000100002 is a wasteful number, since it uses less digits than its factorization.

22001000100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425943.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 22001000100002 its reverse (20000100010022), we get a palindrome (42001100110024).

The spelling of 22001000100002 in words is "twenty-two trillion, one billion, one hundred thousand, two".