111221610141 has 8 divisors (see below), whose sum is σ = 148708560960. Its totient is φ = 73941199712.

The previous prime is 111221610113. The next prime is 111221610151. The reversal of 111221610141 is 141016122111.

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

It is a cyclic number.

It is not a de Polignac number, because 111221610141 - 2¹³ = 111221601949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111221610151) 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, 51633840 + ... + 51635993.

It is an arithmetic number, because the mean of its divisors is an integer number (18588570120).

Almost surely, 2^111221610141 is an apocalyptic number.

It is an amenable number.

111221610141 is a deficient number, since it is larger than the sum of its proper divisors (37486950819).

111221610141 is a wasteful number, since it uses less digits than its factorization.

111221610141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103270195.

The product of its (nonzero) digits is 96, while the sum is 21.

Adding to 111221610141 its reverse (141016122111), we get a palindrome (252237732252).

The spelling of 111221610141 in words is "one hundred eleven billion, two hundred twenty-one million, six hundred ten thousand, one hundred forty-one".