111242260900 has 27 divisors (see below), whose sum is σ = 241402943971. Its totient is φ = 44495570240.

The previous prime is 111242260879. The next prime is 111242260949. The reversal of 111242260900 is 9062242111.

The square root of 111242260900 is 333530.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 36345897316 + 74896363584 = 190646^2 + 273672^2 .

It is a super-2 number, since 2×111242260900² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3318624 + ... + 3351976.

Almost surely, 2^111242260900 is an apocalyptic number.

111242260900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111242260900 is the 333530-th square number.

It is an amenable number.

111242260900 is an abundant number, since it is smaller than the sum of its proper divisors (130160683071).

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

111242260900 is an frugal number, since it uses more digits than its factorization.

111242260900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66720 (or 33360 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 111242260900 in words is "one hundred eleven billion, two hundred forty-two million, two hundred sixty thousand, nine hundred".