11101122201421 has 8 divisors (see below), whose sum is σ = 12688881156224. Its totient is φ = 9513834335280.

The previous prime is 11101122201401. The next prime is 11101122201427. The reversal of 11101122201421 is 12410222110111.

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

It is a cyclic number.

It is not a de Polignac number, because 11101122201421 - 2¹¹ = 11101122199373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101122201427) 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, 117721665 + ... + 117815926.

It is an arithmetic number, because the mean of its divisors is an integer number (1586110144528).

Almost surely, 2^{11101122201421} is an apocalyptic number.

It is an amenable number.

11101122201421 is a deficient number, since it is larger than the sum of its proper divisors (1587758954803).

11101122201421 is an equidigital number, since it uses as much as digits as its factorization.

11101122201421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235544331.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11101122201421 its reverse (12410222110111), we get a palindrome (23511344311532).

The spelling of 11101122201421 in words is "eleven trillion, one hundred one billion, one hundred twenty-two million, two hundred one thousand, four hundred twenty-one".