10121199043 has 2 divisors, whose sum is σ = 10121199044. Its totient is φ = 10121199042.

The previous prime is 10121199037. The next prime is 10121199047. The reversal of 10121199043 is 34099112101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10121199043 - 2⁹ = 10121198531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10121198996 and 10121199014.

It is not a weakly prime, because it can be changed into another prime (10121199047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060599521 + 5060599522.

It is an arithmetic number, because the mean of its divisors is an integer number (5060599522).

Almost surely, 2^10121199043 is an apocalyptic number.

10121199043 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121199043 is an equidigital number, since it uses as much as digits as its factorization.

10121199043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 10121199043 in words is "ten billion, one hundred twenty-one million, one hundred ninety-nine thousand, forty-three".