30102223121 has 16 divisors (see below), whose sum is σ = 31055861760. Its totient is φ = 29167678800.

The previous prime is 30102223117. The next prime is 30102223141. The reversal of 30102223121 is 12132220103.

It is a cyclic number.

It is not a de Polignac number, because 30102223121 - 2² = 30102223117 is a prime.

It is a super-2 number, since 2×30102223121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30102223121.

It is not an unprimeable number, because it can be changed into a prime (30102223141) 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, 974906 + ... + 1005308.

It is an arithmetic number, because the mean of its divisors is an integer number (1940991360).

Almost surely, 2^30102223121 is an apocalyptic number.

It is an amenable number.

30102223121 is a deficient number, since it is larger than the sum of its proper divisors (953638639).

30102223121 is a wasteful number, since it uses less digits than its factorization.

30102223121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30716.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30102223121 its reverse (12132220103), we get a palindrome (42234443224).

The spelling of 30102223121 in words is "thirty billion, one hundred two million, two hundred twenty-three thousand, one hundred twenty-one".