21222741701 has 8 divisors (see below), whose sum is σ = 25036967424. Its totient is φ = 17604117360.

The previous prime is 21222741679. The next prime is 21222741703. The reversal of 21222741701 is 10714722212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21222741701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21222741703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48900110 + ... + 48900543.

It is an arithmetic number, because the mean of its divisors is an integer number (3129620928).

Almost surely, 2^21222741701 is an apocalyptic number.

It is an amenable number.

21222741701 is a deficient number, since it is larger than the sum of its proper divisors (3814225723).

21222741701 is an equidigital number, since it uses as much as digits as its factorization.

21222741701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97800691.

The product of its (nonzero) digits is 3136, while the sum is 29.

The spelling of 21222741701 in words is "twenty-one billion, two hundred twenty-two million, seven hundred forty-one thousand, seven hundred one".