11000021022 has 32 divisors (see below), whose sum is σ = 24457658400. Its totient is φ = 3664698624.

The previous prime is 11000021017. The next prime is 11000021023. The reversal of 11000021022 is 22012000011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11000020995 and 11000021013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000021023) 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, 48088 + ... + 155924.

It is an arithmetic number, because the mean of its divisors is an integer number (764301825).

Almost surely, 2^11000021022 is an apocalyptic number.

11000021022 is an abundant number, since it is smaller than the sum of its proper divisors (13457637378).

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

11000021022 is a wasteful number, since it uses less digits than its factorization.

11000021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109737 (or 109731 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 11000021022 its reverse (22012000011), we get a palindrome (33012021033).

The spelling of 11000021022 in words is "eleven billion, twenty-one thousand, twenty-two".