2102220322312 has 24 divisors (see below), whose sum is σ = 4332571843950. Its totient is φ = 955554691520.

The previous prime is 2102220322249. The next prime is 2102220322313. The reversal of 2102220322312 is 2132230222012.

It can be written as a sum of positive squares in only one way, i.e., 1171446887556 + 930773434756 = 1082334^2 + 964766^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2102220322313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1085856637 + ... + 1085858572.

Almost surely, 2^{2102220322312} is an apocalyptic number.

2102220322312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2102220322312 is an abundant number, since it is smaller than the sum of its proper divisors (2230351521638).

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

2102220322312 is a wasteful number, since it uses less digits than its factorization.

2102220322312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171715237 (or 2171715222 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2102220322312 its reverse (2132230222012), we get a palindrome (4234450544324).

The spelling of 2102220322312 in words is "two trillion, one hundred two billion, two hundred twenty million, three hundred twenty-two thousand, three hundred twelve".