111243153100 has 36 divisors (see below), whose sum is σ = 241413921784. Its totient is φ = 44494260480.

The previous prime is 111243153097. The next prime is 111243153121. The reversal of 111243153100 is 1351342111.

It is a happy number.

It is a super-2 number, since 2×111243153100² (a number of 23 digits) contains 22 as substring.

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, 2007364 + ... + 2062036.

Almost surely, 2^111243153100 is an apocalyptic number.

111243153100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111243153100 is an abundant number, since it is smaller than the sum of its proper divisors (130170768684).

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

111243153100 is a wasteful number, since it uses less digits than its factorization.

111243153100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75034 (or 75027 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 111243153100 its reverse (1351342111), we get a palindrome (112594495211).

The spelling of 111243153100 in words is "one hundred eleven billion, two hundred forty-three million, one hundred fifty-three thousand, one hundred".