22201011002 has 4 divisors (see below), whose sum is σ = 33301516506. Its totient is φ = 11100505500.

The previous prime is 22201010989. The next prime is 22201011029. The reversal of 22201011002 is 20011010222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17601594241 + 4599416761 = 132671^2 + 67819^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550252749 + ... + 5550252752.

Almost surely, 2^22201011002 is an apocalyptic number.

22201011002 is a deficient number, since it is larger than the sum of its proper divisors (11100505504).

22201011002 is a wasteful number, since it uses less digits than its factorization.

22201011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100505503.

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

Adding to 22201011002 its reverse (20011010222), we get a palindrome (42212021224).

The spelling of 22201011002 in words is "twenty-two billion, two hundred one million, eleven thousand, two".