2200120021000 has 64 divisors (see below), whose sum is σ = 5616306408960. Its totient is φ = 800043640000.

The previous prime is 2200120020983. The next prime is 2200120021031. The reversal of 2200120021000 is 1200210022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99994456 + ... + 100016455.

It is an arithmetic number, because the mean of its divisors is an integer number (87754787640).

Almost surely, 2^{2200120021000} is an apocalyptic number.

2200120021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200120021000 is an abundant number, since it is smaller than the sum of its proper divisors (3416186387960).

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

2200120021000 is a wasteful number, since it uses less digits than its factorization.

2200120021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200010943 (or 200010929 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2200120021000 its reverse (1200210022), we get a palindrome (2201320231022).

It can be divided in two parts, 2 and 200120021000, that added together give a palindrome (200120021002).

The spelling of 2200120021000 in words is "two trillion, two hundred billion, one hundred twenty million, twenty-one thousand".