11222201100020 has 24 divisors (see below), whose sum is σ = 23622600052968. Its totient is φ = 4478218012800.

The previous prime is 11222201100001. The next prime is 11222201100049. The reversal of 11222201100020 is 2000110222211.

It can be written as a sum of positive squares in 4 ways, for example, as 619649203684 + 10602551896336 = 787178^2 + 3256156^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11222201099968 and 11222201100004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666393071 + ... + 666409910.

It is an arithmetic number, because the mean of its divisors is an integer number (984275002207).

Almost surely, 2^{11222201100020} is an apocalyptic number.

11222201100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222201100020 is an abundant number, since it is smaller than the sum of its proper divisors (12400398952948).

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

11222201100020 is a wasteful number, since it uses less digits than its factorization.

11222201100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332803411 (or 1332803409 counting only the distinct ones).

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

Adding to 11222201100020 its reverse (2000110222211), we get a palindrome (13222311322231).

The spelling of 11222201100020 in words is "eleven trillion, two hundred twenty-two billion, two hundred one million, one hundred thousand, twenty".