11020100221209 has 16 divisors (see below), whose sum is σ = 14760623509632. Its totient is φ = 7313172705408.

The previous prime is 11020100221189. The next prime is 11020100221223. The reversal of 11020100221209 is 90212200102011.

It is not a de Polignac number, because 11020100221209 - 2²⁰ = 11020099172633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11020100241209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335887 + ... + 4706699.

It is an arithmetic number, because the mean of its divisors is an integer number (922538969352).

Almost surely, 2^{11020100221209} is an apocalyptic number.

It is an amenable number.

11020100221209 is a deficient number, since it is larger than the sum of its proper divisors (3740523288423).

11020100221209 is a wasteful number, since it uses less digits than its factorization.

11020100221209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374656.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 11020100221209 in words is "eleven trillion, twenty billion, one hundred million, two hundred twenty-one thousand, two hundred nine".