2201321120020 has 24 divisors (see below), whose sum is σ = 5043026566368. Its totient is φ = 800480407200.

The previous prime is 2201321119997. The next prime is 2201321120051. The reversal of 2201321120020 is 200211231022.

It is a happy number.

It is a super-2 number, since 2×2201321120020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2201321119976 and 2201321120003.

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, 5003002326 + ... + 5003002765.

It is an arithmetic number, because the mean of its divisors is an integer number (210126106932).

Almost surely, 2^{2201321120020} is an apocalyptic number.

2201321120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201321120020 is an abundant number, since it is smaller than the sum of its proper divisors (2841705446348).

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

2201321120020 is a wasteful number, since it uses less digits than its factorization.

2201321120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006005111 (or 10006005109 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2201321120020 its reverse (200211231022), we get a palindrome (2401532351042).

The spelling of 2201321120020 in words is "two trillion, two hundred one billion, three hundred twenty-one million, one hundred twenty thousand, twenty".