30220022121 has 4 divisors (see below), whose sum is σ = 40293362832. Its totient is φ = 20146681412.

The previous prime is 30220022117. The next prime is 30220022123. The reversal of 30220022121 is 12122002203.

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 not a de Polignac number, because 30220022121 - 2² = 30220022117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30220022121.

It is not an unprimeable number, because it can be changed into a prime (30220022123) 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, 5036670351 + ... + 5036670356.

It is an arithmetic number, because the mean of its divisors is an integer number (10073340708).

Almost surely, 2^30220022121 is an apocalyptic number.

It is an amenable number.

30220022121 is a deficient number, since it is larger than the sum of its proper divisors (10073340711).

30220022121 is a wasteful number, since it uses less digits than its factorization.

30220022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10073340710.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 30220022121 its reverse (12122002203), we get a palindrome (42342024324).

The spelling of 30220022121 in words is "thirty billion, two hundred twenty million, twenty-two thousand, one hundred twenty-one".