30222210121 has 4 divisors (see below), whose sum is σ = 30673287952. Its totient is φ = 29771132292.

The previous prime is 30222210113. The next prime is 30222210127. The reversal of 30222210121 is 12101222203.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12101222203 = 7 ⋅1728746029.

It is a cyclic number.

It is not a de Polignac number, because 30222210121 - 2³ = 30222210113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30222210095 and 30222210104.

It is not an unprimeable number, because it can be changed into a prime (30222210127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225538815 + ... + 225538948.

It is an arithmetic number, because the mean of its divisors is an integer number (7668321988).

Almost surely, 2^30222210121 is an apocalyptic number.

It is an amenable number.

30222210121 is a deficient number, since it is larger than the sum of its proper divisors (451077831).

30222210121 is an equidigital number, since it uses as much as digits as its factorization.

30222210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451077830.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 30222210121 its reverse (12101222203), we get a palindrome (42323432324).

The spelling of 30222210121 in words is "thirty billion, two hundred twenty-two million, two hundred ten thousand, one hundred twenty-one".