222202200121000 has 256 divisors, whose sum is σ = 571831320453120. Its totient is φ = 80144467200000.

The previous prime is 222202200120961. The next prime is 222202200121007. The reversal of 222202200121000 is 121002202222.

It is a super-2 number, since 2×222202200121000² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222202200121007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6276703300 + ... + 6276738700.

It is an arithmetic number, because the mean of its divisors is an integer number (2233716095520).

Almost surely, 2^{222202200121000} is an apocalyptic number.

222202200121000 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 222202200121000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285915660226560).

222202200121000 is an abundant number, since it is smaller than the sum of its proper divisors (349629120332120).

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

222202200121000 is a wasteful number, since it uses less digits than its factorization.

222202200121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40053 (or 40039 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222202200121000 its reverse (121002202222), we get a palindrome (222323202323222).

The spelling of 222202200121000 in words is "two hundred twenty-two trillion, two hundred two billion, two hundred million, one hundred twenty-one thousand".