22011220212000 has 192 divisors, whose sum is σ = 72852150518784. Its totient is φ = 5809146470400.

The previous prime is 22011220211969. The next prime is 22011220212017. The reversal of 22011220212000 is 21202211022.

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 31 ways as a sum of consecutive naturals, for example, 8290992 + ... + 10618991.

It is an arithmetic number, because the mean of its divisors is an integer number (379438283952).

Almost surely, 2^{22011220212000} is an apocalyptic number.

22011220212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011220212000 is an abundant number, since it is smaller than the sum of its proper divisors (50840930306784).

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

22011220212000 is a wasteful number, since it uses less digits than its factorization.

22011220212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18910108 (or 18910090 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22011220212000 its reverse (21202211022), we get a palindrome (22032422423022).

The spelling of 22011220212000 in words is "twenty-two trillion, eleven billion, two hundred twenty million, two hundred twelve thousand".