30011021225 has 6 divisors (see below), whose sum is σ = 37213666350. Its totient is φ = 24008816960.

The previous prime is 30011021191. The next prime is 30011021233. The reversal of 30011021225 is 52212011003.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 455566336 + 29555454889 = 21344^2 + 171917^2 .

It is not a de Polignac number, because 30011021225 - 2²² = 30006826921 is a prime.

It is a super-2 number, since 2×30011021225² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 600220400 + ... + 600220449.

It is an arithmetic number, because the mean of its divisors is an integer number (6202277725).

Almost surely, 2^30011021225 is an apocalyptic number.

It is an amenable number.

30011021225 is a deficient number, since it is larger than the sum of its proper divisors (7202645125).

30011021225 is a wasteful number, since it uses less digits than its factorization.

30011021225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200440859 (or 1200440854 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 30011021225 its reverse (52212011003), we get a palindrome (82223032228).

The spelling of 30011021225 in words is "thirty billion, eleven million, twenty-one thousand, two hundred twenty-five".