1112201211021 has 8 divisors (see below), whose sum is σ = 1483008264000. Its totient is φ = 741430816032.

The previous prime is 1112201211007. The next prime is 1112201211029. The reversal of 1112201211021 is 1201121022111.

It is a happy number.

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

It is not a de Polignac number, because 1112201211021 - 2⁹ = 1112201210509 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 (1112201211029) 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, 9093625 + ... + 9215118.

It is an arithmetic number, because the mean of its divisors is an integer number (185376033000).

Almost surely, 2^{1112201211021} is an apocalyptic number.

It is an amenable number.

1112201211021 is a deficient number, since it is larger than the sum of its proper divisors (370807052979).

1112201211021 is a wasteful number, since it uses less digits than its factorization.

1112201211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18328995.

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

Adding to 1112201211021 its reverse (1201121022111), we get a palindrome (2313322233132).

The spelling of 1112201211021 in words is "one trillion, one hundred twelve billion, two hundred one million, two hundred eleven thousand, twenty-one".