30002120111 has 2 divisors, whose sum is σ = 30002120112. Its totient is φ = 30002120110.

The previous prime is 30002120101. The next prime is 30002120117. The reversal of 30002120111 is 11102120003.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30002120111 - 2¹⁸ = 30001857967 is a prime.

It is a super-2 number, since 2×30002120111² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30002120092 and 30002120101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30002120117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15001060055 + 15001060056.

It is an arithmetic number, because the mean of its divisors is an integer number (15001060056).

Almost surely, 2^30002120111 is an apocalyptic number.

30002120111 is a deficient number, since it is larger than the sum of its proper divisors (1).

30002120111 is an equidigital number, since it uses as much as digits as its factorization.

30002120111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 30002120111 its reverse (11102120003), we get a palindrome (41104240114).

The spelling of 30002120111 in words is "thirty billion, two million, one hundred twenty thousand, one hundred eleven".