2201011121121 has 8 divisors (see below), whose sum is σ = 2934689176800. Its totient is φ = 1467336906432.

The previous prime is 2201011121117. The next prime is 2201011121143. The reversal of 2201011121121 is 1211211101022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2201011121121 - 2² = 2201011121117 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2201011121121.

It is not an unprimeable number, because it can be changed into a prime (2201011121171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881430 + ... + 2275728.

It is an arithmetic number, because the mean of its divisors is an integer number (366836147100).

Almost surely, 2^{2201011121121} is an apocalyptic number.

It is an amenable number.

2201011121121 is a deficient number, since it is larger than the sum of its proper divisors (733678055679).

2201011121121 is a wasteful number, since it uses less digits than its factorization.

2201011121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920495.

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

Adding to 2201011121121 its reverse (1211211101022), we get a palindrome (3412222222143).

The spelling of 2201011121121 in words is "two trillion, two hundred one billion, eleven million, one hundred twenty-one thousand, one hundred twenty-one".