1222100101120 has 48 divisors (see below), whose sum is σ = 2932324192980. Its totient is φ = 488840036352.

The previous prime is 1222100101109. The next prime is 1222100101129. The reversal of 1222100101120 is 211010012221.

It can be written as a sum of positive squares in 2 ways, for example, as 1050346218496 + 171753882624 = 1024864^2 + 414432^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1222100101120.

It is not an unprimeable number, because it can be changed into a prime (1222100101129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59662617 + ... + 59683096.

Almost surely, 2^{1222100101120} is an apocalyptic number.

1222100101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222100101120 is an abundant number, since it is smaller than the sum of its proper divisors (1710224091860).

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

1222100101120 is an equidigital number, since it uses as much as digits as its factorization.

1222100101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119345740 (or 119345720 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1222100101120 its reverse (211010012221), we get a palindrome (1433110113341).

The spelling of 1222100101120 in words is "one trillion, two hundred twenty-two billion, one hundred million, one hundred one thousand, one hundred twenty".