30022112261 has 2 divisors, whose sum is σ = 30022112262. Its totient is φ = 30022112260.

The previous prime is 30022112257. The next prime is 30022112269. The reversal of 30022112261 is 16221122003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26209667236 + 3812445025 = 161894^2 + 61745^2 .

It is a cyclic number.

It is not a de Polignac number, because 30022112261 - 2² = 30022112257 is a prime.

It is a super-3 number, since 3×30022112261³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30022112269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15011056130 + 15011056131.

It is an arithmetic number, because the mean of its divisors is an integer number (15011056131).

Almost surely, 2^30022112261 is an apocalyptic number.

It is an amenable number.

30022112261 is a deficient number, since it is larger than the sum of its proper divisors (1).

30022112261 is an equidigital number, since it uses as much as digits as its factorization.

30022112261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 30022112261 its reverse (16221122003), we get a palindrome (46243234264).

The spelling of 30022112261 in words is "thirty billion, twenty-two million, one hundred twelve thousand, two hundred sixty-one".