22111110022002 has 24 divisors (see below), whose sum is σ = 46976545171536. Its totient is φ = 6936818829888.

The previous prime is 22111110021997. The next prime is 22111110022009. The reversal of 22111110022002 is 20022001111122.

It is not an unprimeable number, because it can be changed into a prime (22111110022009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6375750868 + ... + 6375754335.

It is an arithmetic number, because the mean of its divisors is an integer number (1957356048814).

Almost surely, 2^{22111110022002} is an apocalyptic number.

22111110022002 is an abundant number, since it is smaller than the sum of its proper divisors (24865435149534).

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

22111110022002 is a wasteful number, since it uses less digits than its factorization.

22111110022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12751505242 (or 12751505225 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22111110022002 its reverse (20022001111122), we get a palindrome (42133111133124).

The spelling of 22111110022002 in words is "twenty-two trillion, one hundred eleven billion, one hundred ten million, twenty-two thousand, two".