30121202101 has 8 divisors (see below), whose sum is σ = 30288595680. Its totient is φ = 29954219568.

The previous prime is 30121202087. The next prime is 30121202119. The reversal of 30121202101 is 10120212103.

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

It is a cyclic number.

It is not a de Polignac number, because 30121202101 - 2⁹ = 30121201589 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 (30121208101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44790 + ... + 249496.

It is an arithmetic number, because the mean of its divisors is an integer number (3786074460).

Almost surely, 2^30121202101 is an apocalyptic number.

It is an amenable number.

30121202101 is a deficient number, since it is larger than the sum of its proper divisors (167393579).

30121202101 is a wasteful number, since it uses less digits than its factorization.

30121202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205523.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 30121202101 its reverse (10120212103), we get a palindrome (40241414204).

The spelling of 30121202101 in words is "thirty billion, one hundred twenty-one million, two hundred two thousand, one hundred one".