2201210121101 has 4 divisors (see below), whose sum is σ = 2201221111872. Its totient is φ = 2201199130332.

The previous prime is 2201210121013. The next prime is 2201210121191. The reversal of 2201210121101 is 1011210121022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2201210121101 - 2¹⁸ = 2201209858957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201210121191) 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, 5189285 + ... + 5597418.

It is an arithmetic number, because the mean of its divisors is an integer number (550305277968).

Almost surely, 2^{2201210121101} is an apocalyptic number.

It is an amenable number.

2201210121101 is a deficient number, since it is larger than the sum of its proper divisors (10990771).

2201210121101 is a wasteful number, since it uses less digits than its factorization.

2201210121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990770.

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

Adding to 2201210121101 its reverse (1011210121022), we get a palindrome (3212420242123).

The spelling of 2201210121101 in words is "two trillion, two hundred one billion, two hundred ten million, one hundred twenty-one thousand, one hundred one".