1131224142100 has 72 divisors (see below), whose sum is σ = 2643764378528. Its totient is φ = 417654230400.

The previous prime is 1131224142089. The next prime is 1131224142101. The reversal of 1131224142100 is 12414221311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131224142101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33922435 + ... + 33955765.

Almost surely, 2^{1131224142100} is an apocalyptic number.

1131224142100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131224142100 is an abundant number, since it is smaller than the sum of its proper divisors (1512540236428).

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

1131224142100 is a wasteful number, since it uses less digits than its factorization.

1131224142100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59465 (or 59458 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1131224142100 its reverse (12414221311), we get a palindrome (1143638363411).

The spelling of 1131224142100 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-four million, one hundred forty-two thousand, one hundred".