111120222011001 has 16 divisors (see below), whose sum is σ = 169327887464448. Its totient is φ = 63496581642000.

The previous prime is 111120222010991. The next prime is 111120222011039. The reversal of 111120222011001 is 100110222021111.

It is a happy number.

It is not a de Polignac number, because 111120222011001 - 2³¹ = 111118074527353 is a prime.

It is a super-2 number, since 2×111120222011001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111120222011081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26682675 + ... + 30564776.

It is an arithmetic number, because the mean of its divisors is an integer number (10582992966528).

Almost surely, 2^{111120222011001} is an apocalyptic number.

It is an amenable number.

111120222011001 is a deficient number, since it is larger than the sum of its proper divisors (58207665453447).

111120222011001 is an equidigital number, since it uses as much as digits as its factorization.

111120222011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57339892.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111120222011001 its reverse (100110222021111), we get a palindrome (211230444032112).

The spelling of 111120222011001 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred twenty-two million, eleven thousand, one".