30102210211 has 4 divisors (see below), whose sum is σ = 30293944192. Its totient is φ = 29910476232.

The previous prime is 30102210197. The next prime is 30102210239. The reversal of 30102210211 is 11201220103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30102210211 is a prime.

It is a super-2 number, since 2×30102210211² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30102210191 and 30102210200.

It is not an unprimeable number, because it can be changed into a prime (30102211211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95866755 + ... + 95867068.

It is an arithmetic number, because the mean of its divisors is an integer number (7573486048).

Almost surely, 2^30102210211 is an apocalyptic number.

30102210211 is a deficient number, since it is larger than the sum of its proper divisors (191733981).

30102210211 is a wasteful number, since it uses less digits than its factorization.

30102210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191733980.

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

Adding to 30102210211 its reverse (11201220103), we get a palindrome (41303430314).

The spelling of 30102210211 in words is "thirty billion, one hundred two million, two hundred ten thousand, two hundred eleven".