22021111011000 has 128 divisors (see below), whose sum is σ = 69414175172160. Its totient is φ = 5811757056000.

The previous prime is 22021111010993. The next prime is 22021111011007. The reversal of 22021111011000 is 11011112022.

It is an interprime number because it is at equal distance from previous prime (22021111010993) and next prime (22021111011007).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021111011007) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 37545961 + ... + 38127960.

Almost surely, 2^{22021111011000} is an apocalyptic number.

22021111011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021111011000 is an abundant number, since it is smaller than the sum of its proper divisors (47393064161160).

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

22021111011000 is a wasteful number, since it uses less digits than its factorization.

22021111011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75674042 (or 75674028 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22021111011000 its reverse (11011112022), we get a palindrome (22032122123022).

The spelling of 22021111011000 in words is "twenty-two trillion, twenty-one billion, one hundred eleven million, eleven thousand".