2222121132000 has 576 divisors, whose sum is σ = 9832292241408. Its totient is φ = 461738880000.

The previous prime is 2222121131929. The next prime is 2222121132053. The reversal of 2222121132000 is 2311212222.

2222121132000 is a `hidden beast` number, since 2 + 222 + 121 + 1 + 320 + 0 + 0 = 666.

It is a super-2 number, since 2×2222121132000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 2371185 + ... + 3172815.

It is an arithmetic number, because the mean of its divisors is an integer number (17069951808).

Almost surely, 2^{2222121132000} is an apocalyptic number.

2222121132000 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 2222121132000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4916146120704).

2222121132000 is an abundant number, since it is smaller than the sum of its proper divisors (7610171109408).

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

2222121132000 is a wasteful number, since it uses less digits than its factorization.

2222121132000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801680 (or 801659 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2222121132000 its reverse (2311212222), we get a palindrome (2224432344222).

The spelling of 2222121132000 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred thirty-two thousand".