121011200110201 has 16 divisors (see below), whose sum is σ = 123478250100480. Its totient is φ = 118560495401280.

The previous prime is 121011200110189. The next prime is 121011200110219. The reversal of 121011200110201 is 102011002110121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121011200110201 - 2²⁹ = 121010663239289 is a prime.

It is a super-2 number, since 2×121011200110201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121011200110291) 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, 16054980 + ... + 22355866.

It is an arithmetic number, because the mean of its divisors is an integer number (7717390631280).

Almost surely, 2^{121011200110201} is an apocalyptic number.

It is an amenable number.

121011200110201 is a deficient number, since it is larger than the sum of its proper divisors (2467049990279).

121011200110201 is an equidigital number, since it uses as much as digits as its factorization.

121011200110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6302184.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121011200110201 its reverse (102011002110121), we get a palindrome (223022202220322).

The spelling of 121011200110201 in words is "one hundred twenty-one trillion, eleven billion, two hundred million, one hundred ten thousand, two hundred one".