22011100002 has 16 divisors (see below), whose sum is σ = 48913555680. Its totient is φ = 7337033316.

The previous prime is 22011099989. The next prime is 22011100043. The reversal of 22011100002 is 20000111022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203806428 + ... + 203806535.

It is an arithmetic number, because the mean of its divisors is an integer number (3057097230).

Almost surely, 2^22011100002 is an apocalyptic number.

22011100002 is an abundant number, since it is smaller than the sum of its proper divisors (26902455678).

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

22011100002 is a wasteful number, since it uses less digits than its factorization.

22011100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407612974 (or 407612968 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22011100002 its reverse (20000111022), we get a palindrome (42011211024).

The spelling of 22011100002 in words is "twenty-two billion, eleven million, one hundred thousand, two".