211222112029 has 2 divisors, whose sum is σ = 211222112030. Its totient is φ = 211222112028.

The previous prime is 211222111993. The next prime is 211222112069. The reversal of 211222112029 is 920211222112.

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., 113722049529 + 97500062500 = 337227^2 + 312250^2 .

It is a cyclic number.

It is not a de Polignac number, because 211222112029 - 2⁹ = 211222111517 is a prime.

It is a super-2 number, since 2×211222112029² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211222111994 and 211222112012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211222112069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611056014 + 105611056015.

It is an arithmetic number, because the mean of its divisors is an integer number (105611056015).

Almost surely, 2^211222112029 is an apocalyptic number.

It is an amenable number.

211222112029 is a deficient number, since it is larger than the sum of its proper divisors (1).

211222112029 is an equidigital number, since it uses as much as digits as its factorization.

211222112029 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 211222112029 in words is "two hundred eleven billion, two hundred twenty-two million, one hundred twelve thousand, twenty-nine".