22001021111002 has 32 divisors (see below), whose sum is σ = 33154598476800. Its totient is φ = 10949613333120.

The previous prime is 22001021110931. The next prime is 22001021111009. The reversal of 22001021111002 is 20011112010022.

It is not an unprimeable number, because it can be changed into a prime (22001021111009) 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, 3147045727 + ... + 3147052717.

It is an arithmetic number, because the mean of its divisors is an integer number (1036081202400).

Almost surely, 2^{22001021111002} is an apocalyptic number.

22001021111002 is a deficient number, since it is larger than the sum of its proper divisors (11153577365798).

22001021111002 is a wasteful number, since it uses less digits than its factorization.

22001021111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14926.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22001021111002 its reverse (20011112010022), we get a palindrome (42012133121024).

The spelling of 22001021111002 in words is "twenty-two trillion, one billion, twenty-one million, one hundred eleven thousand, two".