2102231100444 has 24 divisors (see below), whose sum is σ = 4908504668928. Its totient is φ = 700272447600.

The previous prime is 2102231100443. The next prime is 2102231100449. The reversal of 2102231100444 is 4440011322012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102231100443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58887982 + ... + 58923669.

It is an arithmetic number, because the mean of its divisors is an integer number (204521027872).

Almost surely, 2^{2102231100444} is an apocalyptic number.

It is an amenable number.

2102231100444 is an abundant number, since it is smaller than the sum of its proper divisors (2806273568484).

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

2102231100444 is a wasteful number, since it uses less digits than its factorization.

2102231100444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117813145 (or 117813143 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2102231100444 its reverse (4440011322012), we get a palindrome (6542242422456).

The spelling of 2102231100444 in words is "two trillion, one hundred two billion, two hundred thirty-one million, one hundred thousand, four hundred forty-four".