30121002101 has 8 divisors (see below), whose sum is σ = 33279470784. Its totient is φ = 27116605120.

The previous prime is 30121002077. The next prime is 30121002127. The reversal of 30121002101 is 10120012103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30121002101 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 (30121022101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38517515 + ... + 38518296.

It is an arithmetic number, because the mean of its divisors is an integer number (4159933848).

Almost surely, 2^30121002101 is an apocalyptic number.

It is an amenable number.

30121002101 is a deficient number, since it is larger than the sum of its proper divisors (3158468683).

30121002101 is a wasteful number, since it uses less digits than its factorization.

30121002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77035851.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 30121002101 its reverse (10120012103), we get a palindrome (40241014204).

The spelling of 30121002101 in words is "thirty billion, one hundred twenty-one million, two thousand, one hundred one".