112021121011 has 4 divisors (see below), whose sum is σ = 112027079800. Its totient is φ = 112015162224.

The previous prime is 112021120973. The next prime is 112021121041. The reversal of 112021121011 is 110121120211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110121120211 = 15661 ⋅7031551.

It is a cyclic number.

It is not a de Polignac number, because 112021121011 - 2⁹ = 112021120499 is a prime.

It is a super-2 number, since 2×112021121011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112021120982 and 112021121000.

It is not an unprimeable number, because it can be changed into a prime (112021121041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2951106 + ... + 2988823.

It is an arithmetic number, because the mean of its divisors is an integer number (28006769950).

Almost surely, 2^112021121011 is an apocalyptic number.

112021121011 is a deficient number, since it is larger than the sum of its proper divisors (5958789).

112021121011 is an equidigital number, since it uses as much as digits as its factorization.

112021121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5958788.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112021121011 its reverse (110121120211), we get a palindrome (222142241222).

The spelling of 112021121011 in words is "one hundred twelve billion, twenty-one million, one hundred twenty-one thousand, eleven".