121112011011201 has 16 divisors (see below), whose sum is σ = 184574041290624. Its totient is φ = 69198461385984.

The previous prime is 121112011011179. The next prime is 121112011011221. The reversal of 121112011011201 is 102110110211121.

It is not a de Polignac number, because 121112011011201 - 2⁷ = 121112011011073 is a prime.

It is a super-2 number, since 2×121112011011201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121112011011221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349908280 + ... + 350254233.

It is an arithmetic number, because the mean of its divisors is an integer number (11535877580664).

Almost surely, 2^{121112011011201} is an apocalyptic number.

It is an amenable number.

121112011011201 is a deficient number, since it is larger than the sum of its proper divisors (63462030279423).

121112011011201 is an equidigital number, since it uses as much as digits as its factorization.

121112011011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700170760.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 121112011011201 its reverse (102110110211121), we get a palindrome (223222121222322).

The spelling of 121112011011201 in words is "one hundred twenty-one trillion, one hundred twelve billion, eleven million, eleven thousand, two hundred one".