21950389296107 has 4 divisors (see below), whose sum is σ = 22021888935816. Its totient is φ = 21878889656400.

The previous prime is 21950389296019. The next prime is 21950389296113. The reversal of 21950389296107 is 70169298305912.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21950389296107 - 2¹² = 21950389292011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21950389296107.

It is not an unprimeable number, because it can be changed into a prime (21950389296007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35749819394 + ... + 35749820007.

It is an arithmetic number, because the mean of its divisors is an integer number (5505472233954).

Almost surely, 2^{21950389296107} is an apocalyptic number.

21950389296107 is a deficient number, since it is larger than the sum of its proper divisors (71499639709).

21950389296107 is an equidigital number, since it uses as much as digits as its factorization.

21950389296107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71499639708.

The product of its (nonzero) digits is 14696640, while the sum is 62.

The spelling of 21950389296107 in words is "twenty-one trillion, nine hundred fifty billion, three hundred eighty-nine million, two hundred ninety-six thousand, one hundred seven".