2201210001121 has 4 divisors (see below), whose sum is σ = 2248044256512. Its totient is φ = 2154375745732.

The previous prime is 2201210001103. The next prime is 2201210001143. The reversal of 2201210001121 is 1211000121022.

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 2201210001121 - 2¹³ = 2201209992929 is a prime.

It is a super-2 number, since 2×2201210001121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201210005121) 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, 23417127625 + ... + 23417127718.

It is an arithmetic number, because the mean of its divisors is an integer number (562011064128).

Almost surely, 2^{2201210001121} is an apocalyptic number.

It is an amenable number.

2201210001121 is a deficient number, since it is larger than the sum of its proper divisors (46834255391).

2201210001121 is an equidigital number, since it uses as much as digits as its factorization.

2201210001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46834255390.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2201210001121 its reverse (1211000121022), we get a palindrome (3412210122143).

The spelling of 2201210001121 in words is "two trillion, two hundred one billion, two hundred ten million, one thousand, one hundred twenty-one".