11222222132021 has 8 divisors (see below), whose sum is σ = 11485581237504. Its totient is φ = 10958971080960.

The previous prime is 11222222131987. The next prime is 11222222132053. The reversal of 11222222132021 is 12023122222211.

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 11222222132021 - 2¹⁰ = 11222222130997 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 (11222222132621) 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, 26803436 + ... + 27218901.

It is an arithmetic number, because the mean of its divisors is an integer number (1435697654688).

Almost surely, 2^{11222222132021} is an apocalyptic number.

It is an amenable number.

11222222132021 is a deficient number, since it is larger than the sum of its proper divisors (263359105483).

11222222132021 is an equidigital number, since it uses as much as digits as its factorization.

11222222132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54027211.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11222222132021 its reverse (12023122222211), we get a palindrome (23245344354232).

The spelling of 11222222132021 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred thirty-two thousand, twenty-one".