22311022200000 has 672 divisors, whose sum is σ = 77394434439168. Its totient is φ = 5665374720000.

The previous prime is 22311022199989. The next prime is 22311022200041. The reversal of 22311022200000 is 222011322.

It is a happy number.

It is a super-3 number, since 3×22311022200000³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1043389309 + ... + 1043410691.

It is an arithmetic number, because the mean of its divisors is an integer number (115170289344).

Almost surely, 2^{22311022200000} is an apocalyptic number.

22311022200000 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 22311022200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38697217219584).

22311022200000 is an abundant number, since it is smaller than the sum of its proper divisors (55083412239168).

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

22311022200000 is an equidigital number, since it uses as much as digits as its factorization.

22311022200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21507 (or 21477 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22311022200000 its reverse (222011322), we get a palindrome (22311244211322).

The spelling of 22311022200000 in words is "twenty-two trillion, three hundred eleven billion, twenty-two million, two hundred thousand".