111203020245 has 32 divisors (see below), whose sum is σ = 184090838400. Its totient is φ = 57253624064.

The previous prime is 111203020213. The next prime is 111203020259. The reversal of 111203020245 is 542020302111.

It is a cyclic number.

It is not a de Polignac number, because 111203020245 - 2⁵ = 111203020213 is a prime.

It is a super-2 number, since 2×111203020245² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3126934 + ... + 3162296.

It is an arithmetic number, because the mean of its divisors is an integer number (5752838700).

Almost surely, 2^111203020245 is an apocalyptic number.

111203020245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111203020245 is a deficient number, since it is larger than the sum of its proper divisors (72887818155).

111203020245 is a wasteful number, since it uses less digits than its factorization.

111203020245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42629.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 111203020245 its reverse (542020302111), we get a palindrome (653223322356).

The spelling of 111203020245 in words is "one hundred eleven billion, two hundred three million, twenty thousand, two hundred forty-five".