111025001121 has 8 divisors (see below), whose sum is σ = 148579584384. Its totient is φ = 73743542640.

The previous prime is 111025001083. The next prime is 111025001161. The reversal of 111025001121 is 121100520111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111025001121 - 2⁹ = 111025000609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111025001121.

It is not an unprimeable number, because it can be changed into a prime (111025001161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68280246 + ... + 68281871.

It is an arithmetic number, because the mean of its divisors is an integer number (18572448048).

Almost surely, 2^111025001121 is an apocalyptic number.

It is an amenable number.

111025001121 is a deficient number, since it is larger than the sum of its proper divisors (37554583263).

111025001121 is a wasteful number, since it uses less digits than its factorization.

111025001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136562391.

The product of its (nonzero) digits is 20, while the sum is 15.

Adding to 111025001121 its reverse (121100520111), we get a palindrome (232125521232).

The spelling of 111025001121 in words is "one hundred eleven billion, twenty-five million, one thousand, one hundred twenty-one".