22101120002 has 12 divisors (see below), whose sum is σ = 35897973570. Its totient is φ = 10200516768.

The previous prime is 22101120001. The next prime is 22101120031. The reversal of 22101120002 is 20002110122.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12707827441 + 9393292561 = 112729^2 + 96919^2 .

It is not an unprimeable number, because it can be changed into a prime (22101120001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32693627 + ... + 32694302.

Almost surely, 2^22101120002 is an apocalyptic number.

22101120002 is a deficient number, since it is larger than the sum of its proper divisors (13796853568).

22101120002 is a wasteful number, since it uses less digits than its factorization.

22101120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65387957 (or 65387944 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22101120002 its reverse (20002110122), we get a palindrome (42103230124).

The spelling of 22101120002 in words is "twenty-two billion, one hundred one million, one hundred twenty thousand, two".