2200121040 has 80 divisors (see below), whose sum is σ = 7345029888. Its totient is φ = 541567488.

The previous prime is 2200121023. The next prime is 2200121059. The reversal of 2200121040 is 401210022.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349464 + ... + 355703.

Almost surely, 2^2200121040 is an apocalyptic number.

2200121040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200121040 is an abundant number, since it is smaller than the sum of its proper divisors (5144908848).

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

2200121040 is a wasteful number, since it uses less digits than its factorization.

2200121040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705196 (or 705190 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2200121040 is about 46905.4478712228. The cubic root of 2200121040 is about 1300.6152984729.

Adding to 2200121040 its reverse (401210022), we get a palindrome (2601331062).

The spelling of 2200121040 in words is "two billion, two hundred million, one hundred twenty-one thousand, forty".