11212020229 has 2 divisors, whose sum is σ = 11212020230. Its totient is φ = 11212020228.

The previous prime is 11212020191. The next prime is 11212020257. The reversal of 11212020229 is 92202021211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9569339329 + 1642680900 = 97823^2 + 40530^2 .

It is a cyclic number.

It is not a de Polignac number, because 11212020229 - 2¹⁵ = 11211987461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212026229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606010114 + 5606010115.

It is an arithmetic number, because the mean of its divisors is an integer number (5606010115).

Almost surely, 2^11212020229 is an apocalyptic number.

It is an amenable number.

11212020229 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212020229 is an equidigital number, since it uses as much as digits as its factorization.

11212020229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 11212020229 in words is "eleven billion, two hundred twelve million, twenty thousand, two hundred twenty-nine".