11212201011020 has 24 divisors (see below), whose sum is σ = 23545727210544. Its totient is φ = 4484860387776.

The previous prime is 11212201010893. The next prime is 11212201011023. The reversal of 11212201011020 is 2011010221211.

It is a super-2 number, since 2×11212201011020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11212201010986 and 11212201011004.

It is not an unprimeable number, because it can be changed into a prime (11212201011023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3849299 + ... + 6102581.

It is an arithmetic number, because the mean of its divisors is an integer number (981071967106).

Almost surely, 2^{11212201011020} is an apocalyptic number.

11212201011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212201011020 is an abundant number, since it is smaller than the sum of its proper divisors (12333526199524).

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

11212201011020 is a wasteful number, since it uses less digits than its factorization.

11212201011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502089 (or 2502087 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11212201011020 its reverse (2011010221211), we get a palindrome (13223211232231).

The spelling of 11212201011020 in words is "eleven trillion, two hundred twelve billion, two hundred one million, eleven thousand, twenty".