22111110021002 has 4 divisors (see below), whose sum is σ = 33166665031506. Its totient is φ = 11055555010500.

The previous prime is 22111110020963. The next prime is 22111110021041. The reversal of 22111110021002 is 20012001111122.

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

It is an interprime number because it is at equal distance from previous prime (22111110020963) and next prime (22111110021041).

It can be written as a sum of positive squares in only one way, i.e., 21248587325161 + 862522695841 = 4609619^2 + 928721^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5527777505249 + ... + 5527777505252.

Almost surely, 2^{22111110021002} is an apocalyptic number.

22111110021002 is a deficient number, since it is larger than the sum of its proper divisors (11055555010504).

22111110021002 is a wasteful number, since it uses less digits than its factorization.

22111110021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11055555010503.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22111110021002 its reverse (20012001111122), we get a palindrome (42123111132124).

The spelling of 22111110021002 in words is "twenty-two trillion, one hundred eleven billion, one hundred ten million, twenty-one thousand, two".