11211201022109 has 8 divisors (see below), whose sum is σ = 12230476990752. Its totient is φ = 10191937699440.

The previous prime is 11211201022051. The next prime is 11211201022117. The reversal of 11211201022109 is 90122010211211.

It is a happy number.

11211201022109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11211201022109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211201022709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257974 + ... + 4899479.

It is an arithmetic number, because the mean of its divisors is an integer number (1528809623844).

Almost surely, 2^{11211201022109} is an apocalyptic number.

It is an amenable number.

11211201022109 is a deficient number, since it is larger than the sum of its proper divisors (1019275968643).

11211201022109 is a wasteful number, since it uses less digits than its factorization.

11211201022109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6322987.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 11211201022109 in words is "eleven trillion, two hundred eleven billion, two hundred one million, twenty-two thousand, one hundred nine".