2210021221123 has 32 divisors (see below), whose sum is σ = 2363074560000. Its totient is φ = 2063569685760.

The previous prime is 2210021221081. The next prime is 2210021221153. The reversal of 2210021221123 is 3211221200122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2210021221123 is a prime.

It is a super-2 number, since 2×2210021221123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2210021221123.

It is not an unprimeable number, because it can be changed into a prime (2210021221153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31568823 + ... + 31638751.

It is an arithmetic number, because the mean of its divisors is an integer number (73846080000).

Almost surely, 2^{2210021221123} is an apocalyptic number.

2210021221123 is a deficient number, since it is larger than the sum of its proper divisors (153053338877).

2210021221123 is a wasteful number, since it uses less digits than its factorization.

2210021221123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70315.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2210021221123 its reverse (3211221200122), we get a palindrome (5421242421245).

The spelling of 2210021221123 in words is "two trillion, two hundred ten billion, twenty-one million, two hundred twenty-one thousand, one hundred twenty-three".