2101002211969 has 2 divisors, whose sum is σ = 2101002211970. Its totient is φ = 2101002211968.

The previous prime is 2101002211943. The next prime is 2101002212069. The reversal of 2101002211969 is 9691122001012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1875771289744 + 225230922225 = 1369588^2 + 474585^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101002211969 - 2²⁷ = 2100867994241 is a prime.

It is a super-2 number, since 2×2101002211969² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2101002211909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050501105984 + 1050501105985.

It is an arithmetic number, because the mean of its divisors is an integer number (1050501105985).

Almost surely, 2^{2101002211969} is an apocalyptic number.

It is an amenable number.

2101002211969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101002211969 is an equidigital number, since it uses as much as digits as its factorization.

2101002211969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 2101002211969 in words is "two trillion, one hundred one billion, two million, two hundred eleven thousand, nine hundred sixty-nine".