1011220010009 has 4 divisors (see below), whose sum is σ = 1103149101840. Its totient is φ = 919290918180.

The previous prime is 1011220009979. The next prime is 1011220010011. The reversal of 1011220010009 is 9000100221101.

1011220010009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1011220010009 - 2²⁸ = 1010951574553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011240010009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45964545899 + ... + 45964545920.

It is an arithmetic number, because the mean of its divisors is an integer number (275787275460).

Almost surely, 2^{1011220010009} is an apocalyptic number.

It is an amenable number.

1011220010009 is a deficient number, since it is larger than the sum of its proper divisors (91929091831).

1011220010009 is an equidigital number, since it uses as much as digits as its factorization.

1011220010009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91929091830.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 1011220010009 in words is "one trillion, eleven billion, two hundred twenty million, ten thousand, nine".