22001120002002 has 16 divisors (see below), whose sum is σ = 44075455052832. Its totient is φ = 7321504159200.

The previous prime is 22001120001979. The next prime is 22001120002009. The reversal of 22001120002002 is 20020002110022.

It is not an unprimeable number, because it can be changed into a prime (22001120002009) 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, 3050623128 + ... + 3050630339.

It is an arithmetic number, because the mean of its divisors is an integer number (2754715940802).

Almost surely, 2^{22001120002002} is an apocalyptic number.

22001120002002 is an abundant number, since it is smaller than the sum of its proper divisors (22074335050830).

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

22001120002002 is a wasteful number, since it uses less digits than its factorization.

22001120002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6101254073.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22001120002002 its reverse (20020002110022), we get a palindrome (42021122112024).

The spelling of 22001120002002 in words is "twenty-two trillion, one billion, one hundred twenty million, two thousand, two".