2211022200120 has 128 divisors (see below), whose sum is σ = 7170883084800. Its totient is φ = 543477413376.

The previous prime is 2211022200109. The next prime is 2211022200151. The reversal of 2211022200120 is 210022201122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2211022200120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13020324 + ... + 13189043.

It is an arithmetic number, because the mean of its divisors is an integer number (56022524100).

Almost surely, 2^{2211022200120} is an apocalyptic number.

2211022200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211022200120 is an abundant number, since it is smaller than the sum of its proper divisors (4959860884680).

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

2211022200120 is a wasteful number, since it uses less digits than its factorization.

2211022200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26209437 (or 26209433 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2211022200120 its reverse (210022201122), we get a palindrome (2421044401242).

It can be divided in two parts, 2211022 and 200120, that added together give a palindrome (2411142).

The spelling of 2211022200120 in words is "two trillion, two hundred eleven billion, twenty-two million, two hundred thousand, one hundred twenty".