11220112012021 has 32 divisors (see below), whose sum is σ = 12900670686720. Its totient is φ = 9651014049600.

The previous prime is 11220112011959. The next prime is 11220112012037. The reversal of 11220112012021 is 12021021102211.

11220112012021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11220112012021 - 2¹³ = 11220112003829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220112011986 and 11220112012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220112012721) 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, 564751330 + ... + 564771196.

It is an arithmetic number, because the mean of its divisors is an integer number (403145958960).

Almost surely, 2^{11220112012021} is an apocalyptic number.

11220112012021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11220112012021 is a deficient number, since it is larger than the sum of its proper divisors (1680558674699).

11220112012021 is a wasteful number, since it uses less digits than its factorization.

11220112012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23185.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11220112012021 its reverse (12021021102211), we get a palindrome (23241133114232).

The spelling of 11220112012021 in words is "eleven trillion, two hundred twenty billion, one hundred twelve million, twelve thousand, twenty-one".