2210121023 has 24 divisors (see below), whose sum is σ = 2589829200. Its totient is φ = 1878060800.

The previous prime is 2210120999. The next prime is 2210121049. The reversal of 2210121023 is 3201210122.

It is a happy number.

It is not a de Polignac number, because 2210121023 - 2⁶ = 2210120959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210120989 and 2210121007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210123023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 302888 + ... + 310098.

It is an arithmetic number, because the mean of its divisors is an integer number (107909550).

Almost surely, 2^2210121023 is an apocalyptic number.

2210121023 is a deficient number, since it is larger than the sum of its proper divisors (379708177).

2210121023 is a wasteful number, since it uses less digits than its factorization.

2210121023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7399 (or 7388 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2210121023 is about 47011.9242639567. The cubic root of 2210121023 is about 1302.5828380013.

Adding to 2210121023 its reverse (3201210122), we get a palindrome (5411331145).

The spelling of 2210121023 in words is "two billion, two hundred ten million, one hundred twenty-one thousand, twenty-three".