111212202210001 has 4 divisors (see below), whose sum is σ = 114799692603904. Its totient is φ = 107624711816100.

The previous prime is 111212202209987. The next prime is 111212202210097. The reversal of 111212202210001 is 100012202212111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111212202210001 - 2³⁹ = 110662446396113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111212202210401) 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, 1793745196905 + ... + 1793745196966.

It is an arithmetic number, because the mean of its divisors is an integer number (28699923150976).

Almost surely, 2^{111212202210001} is an apocalyptic number.

It is an amenable number.

111212202210001 is a deficient number, since it is larger than the sum of its proper divisors (3587490393903).

111212202210001 is an equidigital number, since it uses as much as digits as its factorization.

111212202210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587490393902.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111212202210001 its reverse (100012202212111), we get a palindrome (211224404422112).

The spelling of 111212202210001 in words is "one hundred eleven trillion, two hundred twelve billion, two hundred two million, two hundred ten thousand, one".