30210213112121 has 8 divisors (see below), whose sum is σ = 34526044976640. Its totient is φ = 25894403031168.

The previous prime is 30210213112111. The next prime is 30210213112169. The reversal of 30210213112121 is 12121131201203.

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

It is not a de Polignac number, because 30210213112121 - 2¹⁰ = 30210213111097 is a prime.

It is a super-2 number, since 2×30210213112121² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30210213112093 and 30210213112102.

It is not an unprimeable number, because it can be changed into a prime (30210213112111) 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, 2357321 + ... + 8122646.

It is an arithmetic number, because the mean of its divisors is an integer number (4315755622080).

Almost surely, 2^{30210213112121} is an apocalyptic number.

It is an amenable number.

30210213112121 is a deficient number, since it is larger than the sum of its proper divisors (4315831864519).

30210213112121 is a wasteful number, since it uses less digits than its factorization.

30210213112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10891783.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 30210213112121 its reverse (12121131201203), we get a palindrome (42331344313324).

The spelling of 30210213112121 in words is "thirty trillion, two hundred ten billion, two hundred thirteen million, one hundred twelve thousand, one hundred twenty-one".