121200110201101 has 4 divisors (see below), whose sum is σ = 127579063369600. Its totient is φ = 114821157032604.

The previous prime is 121200110201069. The next prime is 121200110201173. The reversal of 121200110201101 is 101102011002121.

It is a happy number.

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 121200110201101 - 2⁵ = 121200110201069 is a prime.

It is a super-2 number, since 2×121200110201101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200110201801) 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, 3189476584221 + ... + 3189476584258.

It is an arithmetic number, because the mean of its divisors is an integer number (31894765842400).

Almost surely, 2^{121200110201101} is an apocalyptic number.

It is an amenable number.

121200110201101 is a deficient number, since it is larger than the sum of its proper divisors (6378953168499).

121200110201101 is an equidigital number, since it uses as much as digits as its factorization.

121200110201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6378953168498.

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

Adding to 121200110201101 its reverse (101102011002121), we get a palindrome (222302121203222).

The spelling of 121200110201101 in words is "one hundred twenty-one trillion, two hundred billion, one hundred ten million, two hundred one thousand, one hundred one".