11021220122 has 64 divisors (see below), whose sum is σ = 19363639680. Its totient is φ = 4649164800.

The previous prime is 11021220121. The next prime is 11021220131. The reversal of 11021220122 is 22102212011.

It is a junction number, because it is equal to n+sod(n) for n = 11021220097 and 11021220106.

It is not an unprimeable number, because it can be changed into a prime (11021220121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16723829 + ... + 16724487.

It is an arithmetic number, because the mean of its divisors is an integer number (302556870).

Almost surely, 2^11021220122 is an apocalyptic number.

11021220122 is a deficient number, since it is larger than the sum of its proper divisors (8342419558).

11021220122 is a wasteful number, since it uses less digits than its factorization.

11021220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11021220122 its reverse (22102212011), we get a palindrome (33123432133).

The spelling of 11021220122 in words is "eleven billion, twenty-one million, two hundred twenty thousand, one hundred twenty-two".