10030212221 has 4 divisors (see below), whose sum is σ = 10031833344. Its totient is φ = 10028591100.

The previous prime is 10030212151. The next prime is 10030212259. The reversal of 10030212221 is 12221203001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10030212221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10030212196 and 10030212205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10030292221) 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 3 ways as a sum of consecutive naturals, for example, 801245 + ... + 813666.

It is an arithmetic number, because the mean of its divisors is an integer number (2507958336).

Almost surely, 2^10030212221 is an apocalyptic number.

It is an amenable number.

10030212221 is a deficient number, since it is larger than the sum of its proper divisors (1621123).

10030212221 is an equidigital number, since it uses as much as digits as its factorization.

10030212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621122.

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

Adding to 10030212221 its reverse (12221203001), we get a palindrome (22251415222).

The spelling of 10030212221 in words is "ten billion, thirty million, two hundred twelve thousand, two hundred twenty-one".