10722121499 has 2 divisors, whose sum is σ = 10722121500. Its totient is φ = 10722121498.

The previous prime is 10722121481. The next prime is 10722121547. The reversal of 10722121499 is 99412122701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10722121499 - 2⁸ = 10722121243 is a prime.

It is a super-2 number, since 2×10722121499² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10722121429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5361060749 + 5361060750.

It is an arithmetic number, because the mean of its divisors is an integer number (5361060750).

Almost surely, 2^10722121499 is an apocalyptic number.

10722121499 is a deficient number, since it is larger than the sum of its proper divisors (1).

10722121499 is an equidigital number, since it uses as much as digits as its factorization.

10722121499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 10722121499 in words is "ten billion, seven hundred twenty-two million, one hundred twenty-one thousand, four hundred ninety-nine".