30011122 has 4 divisors (see below), whose sum is σ = 45016686. Its totient is φ = 15005560.

The previous prime is 30011101. The next prime is 30011123. The reversal of 30011122 is 22111003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22111003 = 19 ⋅1163737.

It can be written as a sum of positive squares in only one way, i.e., 27258841 + 2752281 = 5221^2 + 1659^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30011099 and 30011108.

It is not an unprimeable number, because it can be changed into a prime (30011123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7502779 + ... + 7502782.

Almost surely, 2^30011122 is an apocalyptic number.

30011122 is a deficient number, since it is larger than the sum of its proper divisors (15005564).

30011122 is a wasteful number, since it uses less digits than its factorization.

30011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15005563.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 30011122 is about 5478.2407760156. The cubic root of 30011122 is about 310.7616443400.

Adding to 30011122 its reverse (22111003), we get a palindrome (52122125).

The spelling of 30011122 in words is "thirty million, eleven thousand, one hundred twenty-two".