102203221003312 has 160 divisors (see below), whose sum is σ = 234022819080960. Its totient is φ = 42627586176000.

The previous prime is 102203221003297. The next prime is 102203221003327. The reversal of 102203221003312 is 213300122302201.

It is an interprime number because it is at equal distance from previous prime (102203221003297) and next prime (102203221003327).

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400086987 + ... + 400342357.

It is an arithmetic number, because the mean of its divisors is an integer number (1462642619256).

Almost surely, 2^{102203221003312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102203221003312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117011409540480).

102203221003312 is an abundant number, since it is smaller than the sum of its proper divisors (131819598077648).

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

102203221003312 is a wasteful number, since it uses less digits than its factorization.

102203221003312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256443 (or 256437 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 102203221003312 its reverse (213300122302201), we get a palindrome (315503343305513).

The spelling of 102203221003312 in words is "one hundred two trillion, two hundred three billion, two hundred twenty-one million, three thousand, three hundred twelve".