11022011021 has 8 divisors (see below), whose sum is σ = 12598123584. Its totient is φ = 9446283360.

The previous prime is 11022010997. The next prime is 11022011027. The reversal of 11022011021 is 12011022011.

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 11022011021 - 2⁶ = 11022010957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11022010993 and 11022011011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022011027) 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, 32000 + ... + 151881.

It is an arithmetic number, because the mean of its divisors is an integer number (1574765448).

Almost surely, 2^11022011021 is an apocalyptic number.

It is an amenable number.

11022011021 is a deficient number, since it is larger than the sum of its proper divisors (1576112563).

11022011021 is an equidigital number, since it uses as much as digits as its factorization.

11022011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192451.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11022011021 its reverse (12011022011), we get a palindrome (23033033032).

The spelling of 11022011021 in words is "eleven billion, twenty-two million, eleven thousand, twenty-one".