1210101112229 has 2 divisors, whose sum is σ = 1210101112230. Its totient is φ = 1210101112228.

The previous prime is 1210101112201. The next prime is 1210101112261. The reversal of 1210101112229 is 9222111010121.

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., 991016268004 + 219084844225 = 995498^2 + 468065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210101112229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210101117229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605050556114 + 605050556115.

It is an arithmetic number, because the mean of its divisors is an integer number (605050556115).

Almost surely, 2^{1210101112229} is an apocalyptic number.

It is an amenable number.

1210101112229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210101112229 is an equidigital number, since it uses as much as digits as its factorization.

1210101112229 is an evil number, because the sum of its binary digits is even.

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

The spelling of 1210101112229 in words is "one trillion, two hundred ten billion, one hundred one million, one hundred twelve thousand, two hundred twenty-nine".