2120110000221 has 16 divisors (see below), whose sum is σ = 2866746458880. Its totient is φ = 1393557211200.

The previous prime is 2120110000199. The next prime is 2120110000243. The reversal of 2120110000221 is 1220000110212.

It is an interprime number because it is at equal distance from previous prime (2120110000199) and next prime (2120110000243).

It is not a de Polignac number, because 2120110000221 - 2¹⁹ = 2120109475933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120110000197 and 2120110000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120110000271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14565790 + ... + 14710623.

It is an arithmetic number, because the mean of its divisors is an integer number (179171653680).

Almost surely, 2^{2120110000221} is an apocalyptic number.

It is an amenable number.

2120110000221 is a deficient number, since it is larger than the sum of its proper divisors (746636458659).

2120110000221 is a wasteful number, since it uses less digits than its factorization.

2120110000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29276756.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2120110000221 its reverse (1220000110212), we get a palindrome (3340110110433).

The spelling of 2120110000221 in words is "two trillion, one hundred twenty billion, one hundred ten million, two hundred twenty-one", and thus it is an aban number.