30111220101 has 8 divisors (see below), whose sum is σ = 40352092704. Its totient is φ = 19972247120.

The previous prime is 30111220081. The next prime is 30111220103. The reversal of 30111220101 is 10102211103.

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 30111220101 - 2¹³ = 30111211909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30111220103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25474215 + ... + 25475396.

It is an arithmetic number, because the mean of its divisors is an integer number (5044011588).

Almost surely, 2^30111220101 is an apocalyptic number.

It is an amenable number.

30111220101 is a deficient number, since it is larger than the sum of its proper divisors (10240872603).

30111220101 is a wasteful number, since it uses less digits than its factorization.

30111220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50949811.

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

Adding to 30111220101 its reverse (10102211103), we get a palindrome (40213431204).

The spelling of 30111220101 in words is "thirty billion, one hundred eleven million, two hundred twenty thousand, one hundred one".