2012201101121 has 4 divisors (see below), whose sum is σ = 2016682618500. Its totient is φ = 2007719583744.

The previous prime is 2012201101073. The next prime is 2012201101159. The reversal of 2012201101121 is 1211011022102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 804180291121 + 1208020810000 = 896761^2 + 1099100^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012201101121 - 2³⁴ = 1995021231937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012201101096 and 2012201101105.

It is not an unprimeable number, because it can be changed into a prime (2012201101021) 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, 2240758016 + ... + 2240758913.

It is an arithmetic number, because the mean of its divisors is an integer number (504170654625).

Almost surely, 2^{2012201101121} is an apocalyptic number.

It is an amenable number.

2012201101121 is a deficient number, since it is larger than the sum of its proper divisors (4481517379).

2012201101121 is an equidigital number, since it uses as much as digits as its factorization.

2012201101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481517378.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2012201101121 its reverse (1211011022102), we get a palindrome (3223212123223).

The spelling of 2012201101121 in words is "two trillion, twelve billion, two hundred one million, one hundred one thousand, one hundred twenty-one".