22002121111002 has 16 divisors (see below), whose sum is σ = 44005449147840. Its totient is φ = 7333839216032.

The previous prime is 22002121111001. The next prime is 22002121111039. The reversal of 22002121111002 is 20011112120022.

It is not an unprimeable number, because it can be changed into a prime (22002121111001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50051502 + ... + 50489177.

It is an arithmetic number, because the mean of its divisors is an integer number (2750340571740).

Almost surely, 2^{22002121111002} is an apocalyptic number.

22002121111002 is an abundant number, since it is smaller than the sum of its proper divisors (22003328036838).

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

22002121111002 is a wasteful number, since it uses less digits than its factorization.

22002121111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100577157.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22002121111002 its reverse (20011112120022), we get a palindrome (42013233231024).

The spelling of 22002121111002 in words is "twenty-two trillion, two billion, one hundred twenty-one million, one hundred eleven thousand, two".