111012010121201 has 4 divisors (see below), whose sum is σ = 126870868709952. Its totient is φ = 95153151532452.

The previous prime is 111012010121147. The next prime is 111012010121213. The reversal of 111012010121201 is 102121010210111.

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 111012010121201 - 2²² = 111012005926897 is a prime.

It is a super-2 number, since 2×111012010121201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111012010124201) 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, 7929429294365 + ... + 7929429294378.

It is an arithmetic number, because the mean of its divisors is an integer number (31717717177488).

Almost surely, 2^{111012010121201} is an apocalyptic number.

It is an amenable number.

111012010121201 is a deficient number, since it is larger than the sum of its proper divisors (15858858588751).

111012010121201 is an equidigital number, since it uses as much as digits as its factorization.

111012010121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15858858588750.

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

Adding to 111012010121201 its reverse (102121010210111), we get a palindrome (213133020331312).

The spelling of 111012010121201 in words is "one hundred eleven trillion, twelve billion, ten million, one hundred twenty-one thousand, two hundred one".