10619991101 has 2 divisors, whose sum is σ = 10619991102. Its totient is φ = 10619991100.

The previous prime is 10619991059. The next prime is 10619991131. The reversal of 10619991101 is 10119991601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10332722500 + 287268601 = 101650^2 + 16949^2 .

It is an emirp because it is prime and its reverse (10119991601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10619991101 - 2⁶ = 10619991037 is a prime.

It is a super-2 number, since 2×10619991101² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10619991131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5309995550 + 5309995551.

It is an arithmetic number, because the mean of its divisors is an integer number (5309995551).

Almost surely, 2^10619991101 is an apocalyptic number.

It is an amenable number.

10619991101 is a deficient number, since it is larger than the sum of its proper divisors (1).

10619991101 is an equidigital number, since it uses as much as digits as its factorization.

10619991101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 38.

The spelling of 10619991101 in words is "ten billion, six hundred nineteen million, nine hundred ninety-one thousand, one hundred one".