121200130130011 has 16 divisors (see below), whose sum is σ = 133247967206400. Its totient is φ = 109824377106528.

The previous prime is 121200130130003. The next prime is 121200130130029. The reversal of 121200130130011 is 110031031002121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121200130130011 - 2³ = 121200130130003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121200130130081) 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, 1461010795 + ... + 1461093748.

It is an arithmetic number, because the mean of its divisors is an integer number (8327997950400).

Almost surely, 2^{121200130130011} is an apocalyptic number.

121200130130011 is a deficient number, since it is larger than the sum of its proper divisors (12047837076389).

121200130130011 is a wasteful number, since it uses less digits than its factorization.

121200130130011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922104658.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 121200130130011 its reverse (110031031002121), we get a palindrome (231231161132132).

The spelling of 121200130130011 in words is "one hundred twenty-one trillion, two hundred billion, one hundred thirty million, one hundred thirty thousand, eleven".