1233222222100 has 36 divisors (see below), whose sum is σ = 2919373335648. Its totient is φ = 448444444000.

The previous prime is 1233222222097. The next prime is 1233222222131. The reversal of 1233222222100 is 12222223321.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 560554456 + ... + 560556655.

It is an arithmetic number, because the mean of its divisors is an integer number (81093703768).

Almost surely, 2^{1233222222100} is an apocalyptic number.

1233222222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233222222100 is an abundant number, since it is smaller than the sum of its proper divisors (1686151113548).

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

1233222222100 is a wasteful number, since it uses less digits than its factorization.

1233222222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121111136 (or 1121111129 counting only the distinct ones).

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

Adding to 1233222222100 its reverse (12222223321), we get a palindrome (1245444445421).

It can be divided in two parts, 123 and 3222222100, that added together give a palindrome (3222222223).

The spelling of 1233222222100 in words is "one trillion, two hundred thirty-three billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred".