121021002229 has 2 divisors, whose sum is σ = 121021002230. Its totient is φ = 121021002228.

The previous prime is 121021002139. The next prime is 121021002251. The reversal of 121021002229 is 922200120121.

It is an a-pointer prime, because the next prime (121021002251) can be obtained adding 121021002229 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65101522500 + 55919479729 = 255150^2 + 236473^2 .

It is a cyclic number.

It is not a de Polignac number, because 121021002229 - 2²⁵ = 120987447797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121021002299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510501114 + 60510501115.

It is an arithmetic number, because the mean of its divisors is an integer number (60510501115).

Almost surely, 2^121021002229 is an apocalyptic number.

It is an amenable number.

121021002229 is a deficient number, since it is larger than the sum of its proper divisors (1).

121021002229 is an equidigital number, since it uses as much as digits as its factorization.

121021002229 is an evil number, because the sum of its binary digits is even.

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

The spelling of 121021002229 in words is "one hundred twenty-one billion, twenty-one million, two thousand, two hundred twenty-nine".