111002201131 has 8 divisors (see below), whose sum is σ = 117546711840. Its totient is φ = 104459353728.

The previous prime is 111002201117. The next prime is 111002201153. The reversal of 111002201131 is 131102200111.

It is a happy number.

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 111002201131 - 2¹⁷ = 111002070059 is a prime.

It is a super-2 number, since 2×111002201131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111002208131) 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, 277096 + ... + 546613.

It is an arithmetic number, because the mean of its divisors is an integer number (14693338980).

Almost surely, 2^111002201131 is an apocalyptic number.

111002201131 is a deficient number, since it is larger than the sum of its proper divisors (6544510709).

111002201131 is an equidigital number, since it uses as much as digits as its factorization.

111002201131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831653.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111002201131 its reverse (131102200111), we get a palindrome (242104401242).

The spelling of 111002201131 in words is "one hundred eleven billion, two million, two hundred one thousand, one hundred thirty-one".