11022032121 has 4 divisors (see below), whose sum is σ = 14696042832. Its totient is φ = 7348021412.

The previous prime is 11022032089. The next prime is 11022032123. The reversal of 11022032121 is 12123022011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12123022011 = 3 ⋅4041007337.

It is a cyclic number.

It is not a de Polignac number, because 11022032121 - 2⁵ = 11022032089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11022032121.

It is not an unprimeable number, because it can be changed into a prime (11022032123) 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, 1837005351 + ... + 1837005356.

It is an arithmetic number, because the mean of its divisors is an integer number (3674010708).

Almost surely, 2^11022032121 is an apocalyptic number.

It is an amenable number.

11022032121 is a deficient number, since it is larger than the sum of its proper divisors (3674010711).

11022032121 is an equidigital number, since it uses as much as digits as its factorization.

11022032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674010710.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11022032121 its reverse (12123022011), we get a palindrome (23145054132).

The spelling of 11022032121 in words is "eleven billion, twenty-two million, thirty-two thousand, one hundred twenty-one".