22111022002 has 8 divisors (see below), whose sum is σ = 33937847856. Its totient is φ = 10798406052.

The previous prime is 22111021997. The next prime is 22111022023. The reversal of 22111022002 is 20022011122.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128552368 + ... + 128552539.

It is an arithmetic number, because the mean of its divisors is an integer number (4242230982).

Almost surely, 2^22111022002 is an apocalyptic number.

22111022002 is a deficient number, since it is larger than the sum of its proper divisors (11826825854).

22111022002 is a wasteful number, since it uses less digits than its factorization.

22111022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257104952.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22111022002 its reverse (20022011122), we get a palindrome (42133033124).

The spelling of 22111022002 in words is "twenty-two billion, one hundred eleven million, twenty-two thousand, two".