30030222121 has 4 divisors (see below), whose sum is σ = 30031753552. Its totient is φ = 30028690692.

The previous prime is 30030222119. The next prime is 30030222149. The reversal of 30030222121 is 12122203003.

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 30030222121 - 2¹ = 30030222119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30030222095 and 30030222104.

It is not an unprimeable number, because it can be changed into a prime (30030222151) 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, 735915 + ... + 775648.

It is an arithmetic number, because the mean of its divisors is an integer number (7507938388).

Almost surely, 2^30030222121 is an apocalyptic number.

It is an amenable number.

30030222121 is a deficient number, since it is larger than the sum of its proper divisors (1531431).

30030222121 is a wasteful number, since it uses less digits than its factorization.

30030222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531430.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30030222121 its reverse (12122203003), we get a palindrome (42152425124).

The spelling of 30030222121 in words is "thirty billion, thirty million, two hundred twenty-two thousand, one hundred twenty-one".