2121150029 has 2 divisors, whose sum is σ = 2121150030. Its totient is φ = 2121150028.

The previous prime is 2121149969. The next prime is 2121150043. The reversal of 2121150029 is 9200511212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1956027529 + 165122500 = 44227^2 + 12850^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121150029 - 2¹² = 2121145933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2121149986 and 2121150013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121150089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060575014 + 1060575015.

It is an arithmetic number, because the mean of its divisors is an integer number (1060575015).

Almost surely, 2^2121150029 is an apocalyptic number.

It is an amenable number.

2121150029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121150029 is an equidigital number, since it uses as much as digits as its factorization.

2121150029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 2121150029 is about 46055.9445565933. The cubic root of 2121150029 is about 1284.8639056057.

The spelling of 2121150029 in words is "two billion, one hundred twenty-one million, one hundred fifty thousand, twenty-nine".