22201111002 has 48 divisors (see below), whose sum is σ = 54689904000. Its totient is φ = 5970045312.

The previous prime is 22201110983. The next prime is 22201111061. The reversal of 22201111002 is 20011110222.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2216002 + ... + 2225997.

It is an arithmetic number, because the mean of its divisors is an integer number (1139373000).

Almost surely, 2^22201111002 is an apocalyptic number.

22201111002 is an abundant number, since it is smaller than the sum of its proper divisors (32488792998).

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

22201111002 is a wasteful number, since it uses less digits than its factorization.

22201111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4442035 (or 4442028 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22201111002 its reverse (20011110222), we get a palindrome (42212221224).

The spelling of 22201111002 in words is "twenty-two billion, two hundred one million, one hundred eleven thousand, two".