22021102002 has 8 divisors (see below), whose sum is σ = 44042204016. Its totient is φ = 7340367332.

The previous prime is 22021102001. The next prime is 22021102039. The reversal of 22021102002 is 20020112022.

It is a sphenic number, since it is the product of 3 distinct primes.

22021102002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22021102001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835091828 + ... + 1835091839.

It is an arithmetic number, because the mean of its divisors is an integer number (5505275502).

Almost surely, 2^22021102002 is an apocalyptic number.

22021102002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22021102002 is a wasteful number, since it uses less digits than its factorization.

22021102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670183672.

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

Adding to 22021102002 its reverse (20020112022), we get a palindrome (42041214024).

The spelling of 22021102002 in words is "twenty-two billion, twenty-one million, one hundred two thousand, two".