10721011701149 has 2 divisors, whose sum is σ = 10721011701150. Its totient is φ = 10721011701148.

The previous prime is 10721011701083. The next prime is 10721011701217. The reversal of 10721011701149 is 94110711012701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8195194425625 + 2525817275524 = 2862725^2 + 1589282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10721011701149 is a prime.

It is a super-2 number, since 2×10721011701149² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10721011701349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5360505850574 + 5360505850575.

It is an arithmetic number, because the mean of its divisors is an integer number (5360505850575).

Almost surely, 2^{10721011701149} is an apocalyptic number.

It is an amenable number.

10721011701149 is a deficient number, since it is larger than the sum of its proper divisors (1).

10721011701149 is an equidigital number, since it uses as much as digits as its factorization.

10721011701149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 35.

The spelling of 10721011701149 in words is "ten trillion, seven hundred twenty-one billion, eleven million, seven hundred one thousand, one hundred forty-nine".