33101019961 has 2 divisors, whose sum is σ = 33101019962. Its totient is φ = 33101019960.

The previous prime is 33101019953. The next prime is 33101020021. The reversal of 33101019961 is 16991010133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31605728400 + 1495291561 = 177780^2 + 38669^2 .

It is a cyclic number.

It is not a de Polignac number, because 33101019961 - 2³ = 33101019953 is a prime.

It is not a weakly prime, because it can be changed into another prime (33101019911) by changing a digit.

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 as a sum of consecutive naturals, namely, 16550509980 + 16550509981.

It is an arithmetic number, because the mean of its divisors is an integer number (16550509981).

Almost surely, 2^33101019961 is an apocalyptic number.

It is an amenable number.

33101019961 is a deficient number, since it is larger than the sum of its proper divisors (1).

33101019961 is an equidigital number, since it uses as much as digits as its factorization.

33101019961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 34.

The spelling of 33101019961 in words is "thirty-three billion, one hundred one million, nineteen thousand, nine hundred sixty-one".