215048121019 has 2 divisors, whose sum is σ = 215048121020. Its totient is φ = 215048121018.

The previous prime is 215048120981. The next prime is 215048121037. The reversal of 215048121019 is 910121840512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 215048121019 - 2³¹ = 212900637371 is a prime.

It is a super-2 number, since 2×215048121019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (215048121919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107524060509 + 107524060510.

It is an arithmetic number, because the mean of its divisors is an integer number (107524060510).

Almost surely, 2^215048121019 is an apocalyptic number.

215048121019 is a deficient number, since it is larger than the sum of its proper divisors (1).

215048121019 is an equidigital number, since it uses as much as digits as its factorization.

215048121019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 34.

The spelling of 215048121019 in words is "two hundred fifteen billion, forty-eight million, one hundred twenty-one thousand, nineteen".