11011220022 has 32 divisors (see below), whose sum is σ = 24610449024. Its totient is φ = 3255348800.

The previous prime is 11011219987. The next prime is 11011220023. The reversal of 11011220022 is 22002211011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011220023) 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, 2031888 + ... + 2037299.

It is an arithmetic number, because the mean of its divisors is an integer number (769076532).

Almost surely, 2^11011220022 is an apocalyptic number.

11011220022 is an abundant number, since it is smaller than the sum of its proper divisors (13599229002).

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

11011220022 is a wasteful number, since it uses less digits than its factorization.

11011220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069244.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11011220022 its reverse (22002211011), we get a palindrome (33013431033).

It can be divided in two parts, 11011 and 220022, that multiplied together give a palindrome (2422662242).

The spelling of 11011220022 in words is "eleven billion, eleven million, two hundred twenty thousand, twenty-two".