2201210012121 has 8 divisors (see below), whose sum is σ = 2934968378880. Its totient is φ = 1467462493392.

The previous prime is 2201210012117. The next prime is 2201210012123. The reversal of 2201210012121 is 1212100121022.

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

It is not a de Polignac number, because 2201210012121 - 2² = 2201210012117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2201210012121.

It is not an unprimeable number, because it can be changed into a prime (2201210012123) 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, 2226105 + ... + 3059078.

It is an arithmetic number, because the mean of its divisors is an integer number (366871047360).

Almost surely, 2^{2201210012121} is an apocalyptic number.

It is an amenable number.

2201210012121 is a deficient number, since it is larger than the sum of its proper divisors (733758366759).

2201210012121 is a wasteful number, since it uses less digits than its factorization.

2201210012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5424015.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2201210012121 its reverse (1212100121022), we get a palindrome (3413310133143).

The spelling of 2201210012121 in words is "two trillion, two hundred one billion, two hundred ten million, twelve thousand, one hundred twenty-one".