30121000230055 has 16 divisors (see below), whose sum is σ = 41465868009984. Its totient is φ = 20575866310560.

The previous prime is 30121000229953. The next prime is 30121000230109. The reversal of 30121000230055 is 55003200012103.

It is a de Polignac number, because none of the positive numbers 2^k-30121000230055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636112481 + ... + 1636130890.

It is an arithmetic number, because the mean of its divisors is an integer number (2591616750624).

Almost surely, 2^{30121000230055} is an apocalyptic number.

30121000230055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30121000230055 is a deficient number, since it is larger than the sum of its proper divisors (11344867779929).

30121000230055 is a wasteful number, since it uses less digits than its factorization.

30121000230055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272243646.

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 30121000230055 its reverse (55003200012103), we get a palindrome (85124200242158).

The spelling of 30121000230055 in words is "thirty trillion, one hundred twenty-one billion, two hundred thirty thousand, fifty-five".