2201001012120 has 32 divisors (see below), whose sum is σ = 6603003036720. Its totient is φ = 586933603200.

The previous prime is 2201001012113. The next prime is 2201001012121. The reversal of 2201001012120 is 212101001022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2201001012096 and 2201001012105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201001012121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9170837431 + ... + 9170837670.

Almost surely, 2^{2201001012120} is an apocalyptic number.

2201001012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201001012120 is an abundant number, since it is smaller than the sum of its proper divisors (4402002024600).

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

2201001012120 is a wasteful number, since it uses less digits than its factorization.

2201001012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18341675115 (or 18341675111 counting only the distinct ones).

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

Adding to 2201001012120 its reverse (212101001022), we get a palindrome (2413102013142).

The spelling of 2201001012120 in words is "two trillion, two hundred one billion, one million, twelve thousand, one hundred twenty".