12120211001101 has 16 divisors (see below), whose sum is σ = 14163191910400. Its totient is φ = 10157664102768.

The previous prime is 12120211001033. The next prime is 12120211001111. The reversal of 12120211001101 is 10110011202121.

It is a happy number.

It is not a de Polignac number, because 12120211001101 - 2²¹ = 12120208903949 is a prime.

It is a super-2 number, since 2×12120211001101² (a number of 27 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 (12120211001111) 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, 106337211 + ... + 106451128.

It is an arithmetic number, because the mean of its divisors is an integer number (885199494400).

Almost surely, 2^{12120211001101} is an apocalyptic number.

It is an amenable number.

12120211001101 is a deficient number, since it is larger than the sum of its proper divisors (2042980909299).

12120211001101 is a wasteful number, since it uses less digits than its factorization.

12120211001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212788528.

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

Adding to 12120211001101 its reverse (10110011202121), we get a palindrome (22230222203222).

It can be divided in two parts, 1212021 and 1001101, that added together give a palindrome (2213122).

The spelling of 12120211001101 in words is "twelve trillion, one hundred twenty billion, two hundred eleven million, one thousand, one hundred one".