12110211200121 has 64 divisors (see below), whose sum is σ = 17807826226176. Its totient is φ = 7288856985600.

The previous prime is 12110211200119. The next prime is 12110211200159. The reversal of 12110211200121 is 12100211201121.

It is a happy number.

It is not a de Polignac number, because 12110211200121 - 2¹ = 12110211200119 is a prime.

It is a super-2 number, since 2×12110211200121² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12110211200121.

It is not an unprimeable number, because it can be changed into a prime (12110213200121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 352916461 + ... + 352950773.

It is an arithmetic number, because the mean of its divisors is an integer number (278247284784).

Almost surely, 2^{12110211200121} is an apocalyptic number.

It is an amenable number.

12110211200121 is a deficient number, since it is larger than the sum of its proper divisors (5697615026055).

12110211200121 is a wasteful number, since it uses less digits than its factorization.

12110211200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37202.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12110211200121 its reverse (12100211201121), we get a palindrome (24210422401242).

It can be divided in two parts, 1211021 and 1200121, that multiplied together give a palindrome (1453371733541).

The spelling of 12110211200121 in words is "twelve trillion, one hundred ten billion, two hundred eleven million, two hundred thousand, one hundred twenty-one".