2011012110269 has 2 divisors, whose sum is σ = 2011012110270. Its totient is φ = 2011012110268.

The previous prime is 2011012110181. The next prime is 2011012110271. The reversal of 2011012110269 is 9620112101102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1527048404644 + 483963705625 = 1235738^2 + 695675^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011012110269 - 2¹⁶ = 2011012044733 is a prime.

It is a super-2 number, since 2×2011012110269² (a number of 25 digits) contains 22 as substring.

Together with 2011012110271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011012110169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005506055134 + 1005506055135.

It is an arithmetic number, because the mean of its divisors is an integer number (1005506055135).

Almost surely, 2^{2011012110269} is an apocalyptic number.

It is an amenable number.

2011012110269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011012110269 is an equidigital number, since it uses as much as digits as its factorization.

2011012110269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 2011012110269 in words is "two trillion, eleven billion, twelve million, one hundred ten thousand, two hundred sixty-nine".