2011010121511 has 2 divisors, whose sum is σ = 2011010121512. Its totient is φ = 2011010121510.

The previous prime is 2011010121469. The next prime is 2011010121529. The reversal of 2011010121511 is 1151210101102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011010121511 - 2²⁵ = 2010976567079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011010121541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005505060755 + 1005505060756.

It is an arithmetic number, because the mean of its divisors is an integer number (1005505060756).

Almost surely, 2^{2011010121511} is an apocalyptic number.

2011010121511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011010121511 is an equidigital number, since it uses as much as digits as its factorization.

2011010121511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 16.

Adding to 2011010121511 its reverse (1151210101102), we get a palindrome (3162220222613).

The spelling of 2011010121511 in words is "two trillion, eleven billion, ten million, one hundred twenty-one thousand, five hundred eleven".