19962291101 has 2 divisors, whose sum is σ = 19962291102. Its totient is φ = 19962291100.

The previous prime is 19962291079. The next prime is 19962291121. The reversal of 19962291101 is 10119226991.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13606056025 + 6356235076 = 116645^2 + 79726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19962291101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19962291121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9981145550 + 9981145551.

It is an arithmetic number, because the mean of its divisors is an integer number (9981145551).

Almost surely, 2^19962291101 is an apocalyptic number.

It is an amenable number.

19962291101 is a deficient number, since it is larger than the sum of its proper divisors (1).

19962291101 is an equidigital number, since it uses as much as digits as its factorization.

19962291101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 41.

The spelling of 19962291101 in words is "nineteen billion, nine hundred sixty-two million, two hundred ninety-one thousand, one hundred one".