1210101229 has 2 divisors, whose sum is σ = 1210101230. Its totient is φ = 1210101228.

The previous prime is 1210101163. The next prime is 1210101251. The reversal of 1210101229 is 9221010121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1117364329 + 92736900 = 33427^2 + 9630^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210101229 - 2²⁵ = 1176546797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210101329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605050614 + 605050615.

It is an arithmetic number, because the mean of its divisors is an integer number (605050615).

Almost surely, 2^1210101229 is an apocalyptic number.

It is an amenable number.

1210101229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210101229 is an equidigital number, since it uses as much as digits as its factorization.

1210101229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1210101229 is about 34786.5092959900. The cubic root of 1210101229 is about 1065.6319521498.

The spelling of 1210101229 in words is "one billion, two hundred ten million, one hundred one thousand, two hundred twenty-nine".