33122101 has 2 divisors, whose sum is σ = 33122102. Its totient is φ = 33122100.

The previous prime is 33122077. The next prime is 33122143. The reversal of 33122101 is 10122133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18879025 + 14243076 = 4345^2 + 3774^2 .

It is a cyclic number.

It is not a de Polignac number, because 33122101 - 2⁹ = 33121589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33122161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16561050 + 16561051.

It is an arithmetic number, because the mean of its divisors is an integer number (16561051).

Almost surely, 2^33122101 is an apocalyptic number.

It is an amenable number.

33122101 is a deficient number, since it is larger than the sum of its proper divisors (1).

33122101 is an equidigital number, since it uses as much as digits as its factorization.

33122101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 33122101 is about 5755.1803620738. The cubic root of 33122101 is about 321.1485452311.

Adding to 33122101 its reverse (10122133), we get a palindrome (43244234).

The spelling of 33122101 in words is "thirty-three million, one hundred twenty-two thousand, one hundred one".