1223331100100 has 36 divisors (see below), whose sum is σ = 2770047122304. Its totient is φ = 468057115680.

The previous prime is 1223331100093. The next prime is 1223331100127. The reversal of 1223331100100 is 10011333221.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265939244 + ... + 265943843.

Almost surely, 2^{1223331100100} is an apocalyptic number.

1223331100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223331100100 is an abundant number, since it is smaller than the sum of its proper divisors (1546716022204).

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

1223331100100 is a wasteful number, since it uses less digits than its factorization.

1223331100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531883124 (or 531883117 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1223331100100 its reverse (10011333221), we get a palindrome (1233342433321).

The spelling of 1223331100100 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-one million, one hundred thousand, one hundred".