2111012211029 has 2 divisors, whose sum is σ = 2111012211030. Its totient is φ = 2111012211028.

The previous prime is 2111012211013. The next prime is 2111012211059. The reversal of 2111012211029 is 9201122101112.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1820489055025 + 290523156004 = 1349255^2 + 539002^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111012211029 - 2⁴ = 2111012211013 is a prime.

It is a super-2 number, since 2×2111012211029² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2111012210995 and 2111012211013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111012211059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055506105514 + 1055506105515.

It is an arithmetic number, because the mean of its divisors is an integer number (1055506105515).

Almost surely, 2^{2111012211029} is an apocalyptic number.

It is an amenable number.

2111012211029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111012211029 is an equidigital number, since it uses as much as digits as its factorization.

2111012211029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 2111012211029 in words is "two trillion, one hundred eleven billion, twelve million, two hundred eleven thousand, twenty-nine".