11022120321 has 16 divisors (see below), whose sum is σ = 14819274624. Its totient is φ = 7286638464.

The previous prime is 11022120293. The next prime is 11022120337. The reversal of 11022120321 is 12302122011.

It is not a de Polignac number, because 11022120321 - 2²³ = 11013731713 is a prime.

It is a super-2 number, since 2×11022120321² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11022120321.

It is not an unprimeable number, because it can be changed into a prime (11022120371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383571 + ... + 411303.

It is an arithmetic number, because the mean of its divisors is an integer number (926204664).

Almost surely, 2^11022120321 is an apocalyptic number.

It is an amenable number.

11022120321 is a deficient number, since it is larger than the sum of its proper divisors (3797154303).

11022120321 is a wasteful number, since it uses less digits than its factorization.

11022120321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28840.

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

Adding to 11022120321 its reverse (12302122011), we get a palindrome (23324242332).

The spelling of 11022120321 in words is "eleven billion, twenty-two million, one hundred twenty thousand, three hundred twenty-one".