1112201111021 has 32 divisors (see below), whose sum is σ = 1544798304000. Its totient is φ = 772399111680.

The previous prime is 1112201111011. The next prime is 1112201111023. The reversal of 1112201111021 is 1201111022111.

It is not a de Polignac number, because 1112201111021 - 2³⁰ = 1111127369197 is a prime.

It is a super-2 number, since 2×1112201111021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1112201110987 and 1112201111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112201111023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19127696 + ... + 19185753.

It is an arithmetic number, because the mean of its divisors is an integer number (48274947000).

Almost surely, 2^{1112201111021} is an apocalyptic number.

1112201111021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112201111021 is a deficient number, since it is larger than the sum of its proper divisors (432597192979).

1112201111021 is a wasteful number, since it uses less digits than its factorization.

1112201111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38313509.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1112201111021 its reverse (1201111022111), we get a palindrome (2313312133132).

The spelling of 1112201111021 in words is "one trillion, one hundred twelve billion, two hundred one million, one hundred eleven thousand, twenty-one".