1213323100110 has 96 divisors (see below), whose sum is σ = 3560095450080. Its totient is φ = 283996204800.

The previous prime is 1213323100109. The next prime is 1213323100117. The reversal of 1213323100110 is 110013233121.

1213323100110 is a `hidden beast` number, since 1 + 21 + 332 + 310 + 0 + 1 + 1 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213323100117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21101961 + ... + 21159380.

It is an arithmetic number, because the mean of its divisors is an integer number (37084327605).

Almost surely, 2^{1213323100110} is an apocalyptic number.

1213323100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213323100110 is an abundant number, since it is smaller than the sum of its proper divisors (2346772349970).

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

1213323100110 is a wasteful number, since it uses less digits than its factorization.

1213323100110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42261394 (or 42261391 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1213323100110 its reverse (110013233121), we get a palindrome (1323336333231).

It can be divided in two parts, 1213 and 323100110, that added together give a palindrome (323101323).

The spelling of 1213323100110 in words is "one trillion, two hundred thirteen billion, three hundred twenty-three million, one hundred thousand, one hundred ten".