2121120000229 has 2 divisors, whose sum is σ = 2121120000230. Its totient is φ = 2121120000228.

The previous prime is 2121120000107. The next prime is 2121120000239. The reversal of 2121120000229 is 9220000211212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1265861261025 + 855258739204 = 1125105^2 + 924802^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121120000229 - 2³³ = 2112530065637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121120000239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060560000114 + 1060560000115.

It is an arithmetic number, because the mean of its divisors is an integer number (1060560000115).

Almost surely, 2^{2121120000229} is an apocalyptic number.

It is an amenable number.

2121120000229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121120000229 is an equidigital number, since it uses as much as digits as its factorization.

2121120000229 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 2121120000229 in words is "two trillion, one hundred twenty-one billion, one hundred twenty million, two hundred twenty-nine", and thus it is an aban number.