210030022121 has 16 divisors (see below), whose sum is σ = 214508891520. Its totient is φ = 205600686720.

The previous prime is 210030022099. The next prime is 210030022127. The reversal of 210030022121 is 121220030012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 210030022121 - 2¹⁴ = 210030005737 is a prime.

It is a super-2 number, since 2×210030022121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210030022096 and 210030022105.

It is not an unprimeable number, because it can be changed into a prime (210030022127) 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, 17583011 + ... + 17594951.

It is an arithmetic number, because the mean of its divisors is an integer number (13406805720).

Almost surely, 2^210030022121 is an apocalyptic number.

It is an amenable number.

210030022121 is a deficient number, since it is larger than the sum of its proper divisors (4478869399).

210030022121 is a wasteful number, since it uses less digits than its factorization.

210030022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13984.

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

Adding to 210030022121 its reverse (121220030012), we get a palindrome (331250052133).

The spelling of 210030022121 in words is "two hundred ten billion, thirty million, twenty-two thousand, one hundred twenty-one".