30121232233111 has 32 divisors (see below), whose sum is σ = 34659311339520. Its totient is φ = 25987429324800.

The previous prime is 30121232233051. The next prime is 30121232233129. The reversal of 30121232233111 is 11133223212103.

It is a cyclic number.

It is not a de Polignac number, because 30121232233111 - 2⁷ = 30121232232983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121232237111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74967231 + ... + 75367951.

It is an arithmetic number, because the mean of its divisors is an integer number (1083103479360).

Almost surely, 2^{30121232233111} is an apocalyptic number.

30121232233111 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30121232233111 is a deficient number, since it is larger than the sum of its proper divisors (4538079106409).

30121232233111 is a wasteful number, since it uses less digits than its factorization.

30121232233111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408295.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 30121232233111 its reverse (11133223212103), we get a palindrome (41254455445214).

The spelling of 30121232233111 in words is "thirty trillion, one hundred twenty-one billion, two hundred thirty-two million, two hundred thirty-three thousand, one hundred eleven".