33441212214721 has 2 divisors, whose sum is σ = 33441212214722. Its totient is φ = 33441212214720.

The previous prime is 33441212214713. The next prime is 33441212214757. The reversal of 33441212214721 is 12741221214433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33054576974721 + 386635240000 = 5749311^2 + 621800^2 .

It is a cyclic number.

It is not a de Polignac number, because 33441212214721 - 2³ = 33441212214713 is a prime.

It is a super-2 number, since 2×33441212214721² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33441212214701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16720606107360 + 16720606107361.

It is an arithmetic number, because the mean of its divisors is an integer number (16720606107361).

Almost surely, 2^{33441212214721} is an apocalyptic number.

It is an amenable number.

33441212214721 is a deficient number, since it is larger than the sum of its proper divisors (1).

33441212214721 is an equidigital number, since it uses as much as digits as its factorization.

33441212214721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 37.

The spelling of 33441212214721 in words is "thirty-three trillion, four hundred forty-one billion, two hundred twelve million, two hundred fourteen thousand, seven hundred twenty-one".