30231122112121 has 16 divisors (see below), whose sum is σ = 37045263997440. Its totient is φ = 24079421583360.

The previous prime is 30231122112077. The next prime is 30231122112143. The reversal of 30231122112121 is 12121122113203.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30231122112121 - 2²³ = 30231113723513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30231122112092 and 30231122112101.

It is not an unprimeable number, because it can be changed into a prime (30231122112151) 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, 1607857960 + ... + 1607876761.

It is an arithmetic number, because the mean of its divisors is an integer number (2315328999840).

Almost surely, 2^{30231122112121} is an apocalyptic number.

It is an amenable number.

30231122112121 is a deficient number, since it is larger than the sum of its proper divisors (6814141885319).

30231122112121 is a wasteful number, since it uses less digits than its factorization.

30231122112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215734824.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 30231122112121 its reverse (12121122113203), we get a palindrome (42352244225324).

The spelling of 30231122112121 in words is "thirty trillion, two hundred thirty-one billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twenty-one".