2211231231029 has 2 divisors, whose sum is σ = 2211231231030. Its totient is φ = 2211231231028.

The previous prime is 2211231231023. The next prime is 2211231231119. The reversal of 2211231231029 is 9201321321122.

2211231231029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1264327082929 + 946904148100 = 1124423^2 + 973090^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211231231029 - 2²⁴ = 2211214453813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2211231230992 and 2211231231010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211231231023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105615615514 + 1105615615515.

It is an arithmetic number, because the mean of its divisors is an integer number (1105615615515).

Almost surely, 2^{2211231231029} is an apocalyptic number.

It is an amenable number.

2211231231029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211231231029 is an equidigital number, since it uses as much as digits as its factorization.

2211231231029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 2211231231029 in words is "two trillion, two hundred eleven billion, two hundred thirty-one million, two hundred thirty-one thousand, twenty-nine".