2110001101221 has 64 divisors (see below), whose sum is σ = 3098150092800. Its totient is φ = 1269489521664.

The previous prime is 2110001101163. The next prime is 2110001101223. The reversal of 2110001101221 is 1221011000112.

It is not a de Polignac number, because 2110001101221 - 2¹⁹ = 2110000576933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2110001101197 and 2110001101206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110001101223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 495419590 + ... + 495423848.

It is an arithmetic number, because the mean of its divisors is an integer number (48408595200).

Almost surely, 2^{2110001101221} is an apocalyptic number.

It is an amenable number.

2110001101221 is a deficient number, since it is larger than the sum of its proper divisors (988148991579).

2110001101221 is a wasteful number, since it uses less digits than its factorization.

2110001101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5890.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2110001101221 its reverse (1221011000112), we get a palindrome (3331012101333).

The spelling of 2110001101221 in words is "two trillion, one hundred ten billion, one million, one hundred one thousand, two hundred twenty-one".