121010101229 has 2 divisors, whose sum is σ = 121010101230. Its totient is φ = 121010101228.

The previous prime is 121010101189. The next prime is 121010101237. The reversal of 121010101229 is 922101010121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71517200329 + 49492900900 = 267427^2 + 222470^2 .

It is a cyclic number.

It is not a de Polignac number, because 121010101229 - 2⁸ = 121010100973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121010101229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121010101259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505050614 + 60505050615.

It is an arithmetic number, because the mean of its divisors is an integer number (60505050615).

Almost surely, 2^121010101229 is an apocalyptic number.

It is an amenable number.

121010101229 is a deficient number, since it is larger than the sum of its proper divisors (1).

121010101229 is an equidigital number, since it uses as much as digits as its factorization.

121010101229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 121010101229 in words is "one hundred twenty-one billion, ten million, one hundred one thousand, two hundred twenty-nine".