22111000112002 has 4 divisors (see below), whose sum is σ = 33166500168006. Its totient is φ = 11055500056000.

The previous prime is 22111000111997. The next prime is 22111000112009. The reversal of 22111000112002 is 20021100011122.

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., 15345388147761 + 6765611964241 = 3917319^2 + 2601079^2 .

It is not an unprimeable number, because it can be changed into a prime (22111000112009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5527750027999 + ... + 5527750028002.

Almost surely, 2^{22111000112002} is an apocalyptic number.

22111000112002 is a deficient number, since it is larger than the sum of its proper divisors (11055500056004).

22111000112002 is a wasteful number, since it uses less digits than its factorization.

22111000112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11055500056003.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22111000112002 its reverse (20021100011122), we get a palindrome (42132100123124).

The spelling of 22111000112002 in words is "twenty-two trillion, one hundred eleven billion, one hundred twelve thousand, two".