22012221110000 has 600 divisors, whose sum is σ = 59883952638576. Its totient is φ = 7770746880000.

The previous prime is 22012221109919. The next prime is 22012221110081. The reversal of 22012221110000 is 1112221022.

It is an interprime number because it is at equal distance from previous prime (22012221109919) and next prime (22012221110081).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 38149429712 + ... + 38149430288.

Almost surely, 2^{22012221110000} is an apocalyptic number.

22012221110000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22012221110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29941976319288).

22012221110000 is an abundant number, since it is smaller than the sum of its proper divisors (37871731528576).

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

22012221110000 is a wasteful number, since it uses less digits than its factorization.

22012221110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22012221110000 its reverse (1112221022), we get a palindrome (22013333331022).

The spelling of 22012221110000 in words is "twenty-two trillion, twelve billion, two hundred twenty-one million, one hundred ten thousand".