11111021022 has 8 divisors (see below), whose sum is σ = 22222042056. Its totient is φ = 3703673672.

The previous prime is 11111021021. The next prime is 11111021027. The reversal of 11111021022 is 22012011111.

11111021022 is digitally balanced in base 5, 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.

11111021022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 11111020989 and 11111021007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111021021) 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, 925918413 + ... + 925918424.

It is an arithmetic number, because the mean of its divisors is an integer number (2777755257).

Almost surely, 2^11111021022 is an apocalyptic number.

11111021022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11111021022 is a wasteful number, since it uses less digits than its factorization.

11111021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851836842.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11111021022 its reverse (22012011111), we get a palindrome (33123032133).

The spelling of 11111021022 in words is "eleven billion, one hundred eleven million, twenty-one thousand, twenty-two".