211020211220029 has 2 divisors, whose sum is σ = 211020211220030. Its totient is φ = 211020211220028.

The previous prime is 211020211220011. The next prime is 211020211220047. The reversal of 211020211220029 is 920022112020112.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (211020211220011) and next prime (211020211220047).

It can be written as a sum of positive squares in only one way, i.e., 191445134776900 + 19575076443129 = 13836370^2 + 4424373^2 .

It is a cyclic number.

It is not a de Polignac number, because 211020211220029 - 2²³ = 211020202831421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211020211219985 and 211020211220012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211020211220069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105510105610014 + 105510105610015.

It is an arithmetic number, because the mean of its divisors is an integer number (105510105610015).

Almost surely, 2^{211020211220029} is an apocalyptic number.

It is an amenable number.

211020211220029 is a deficient number, since it is larger than the sum of its proper divisors (1).

211020211220029 is an equidigital number, since it uses as much as digits as its factorization.

211020211220029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 211020211220029 in words is "two hundred eleven trillion, twenty billion, two hundred eleven million, two hundred twenty thousand, twenty-nine".