1222212101160 has 128 divisors (see below), whose sum is σ = 3892566844800. Its totient is φ = 305941708800.

The previous prime is 1222212101081. The next prime is 1222212101161. The reversal of 1222212101160 is 611012122221.

It is not an unprimeable number, because it can be changed into a prime (1222212101161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17241 + ... + 1563560.

It is an arithmetic number, because the mean of its divisors is an integer number (30410678475).

Almost surely, 2^{1222212101160} is an apocalyptic number.

1222212101160 is a gapful number since it is divisible by the number (10) 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 1222212101160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1946283422400).

1222212101160 is an abundant number, since it is smaller than the sum of its proper divisors (2670354743640).

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

1222212101160 is a wasteful number, since it uses less digits than its factorization.

1222212101160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581211 (or 1581207 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1222212101160 its reverse (611012122221), we get a palindrome (1833224223381).

The spelling of 1222212101160 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, one hundred one thousand, one hundred sixty".