111241240002 has 40 divisors (see below), whose sum is σ = 249701057100. Its totient is φ = 37015214976.

The previous prime is 111241239959. The next prime is 111241240009. The reversal of 111241240002 is 200042142111.

It can be written as a sum of positive squares in 2 ways, for example, as 110942952561 + 298287441 = 333081^2 + 17271^2 .

It is a super-2 number, since 2×111241240002² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (111241240009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 511227 + ... + 695582.

Almost surely, 2^111241240002 is an apocalyptic number.

111241240002 is an abundant number, since it is smaller than the sum of its proper divisors (138459817098).

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

111241240002 is a wasteful number, since it uses less digits than its factorization.

111241240002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207392 (or 1207383 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 111241240002 its reverse (200042142111), we get a palindrome (311283382113).

The spelling of 111241240002 in words is "one hundred eleven billion, two hundred forty-one million, two hundred forty thousand, two".