30212122011 has 16 divisors (see below), whose sum is σ = 41687067648. Its totient is φ = 19442570400.

The previous prime is 30212122009. The next prime is 30212122013. The reversal of 30212122011 is 11022121203.

It is an interprime number because it is at equal distance from previous prime (30212122009) and next prime (30212122013).

It is not a de Polignac number, because 30212122011 - 2¹ = 30212122009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30212122013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372225 + ... + 446066.

It is an arithmetic number, because the mean of its divisors is an integer number (2605441728).

Almost surely, 2^30212122011 is an apocalyptic number.

30212122011 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30212122011 is a deficient number, since it is larger than the sum of its proper divisors (11474945637).

30212122011 is a wasteful number, since it uses less digits than its factorization.

30212122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818722.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 30212122011 its reverse (11022121203), we get a palindrome (41234243214).

The spelling of 30212122011 in words is "thirty billion, two hundred twelve million, one hundred twenty-two thousand, eleven".