2122020200120 has 128 divisors (see below), whose sum is σ = 5036439306240. Its totient is φ = 803468766720.

The previous prime is 2122020200093. The next prime is 2122020200123. The reversal of 2122020200120 is 210020202212.

It is a junction number, because it is equal to n+sod(n) for n = 2122020200095 and 2122020200104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122020200123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106234454 + ... + 106254426.

It is an arithmetic number, because the mean of its divisors is an integer number (39347182080).

Almost surely, 2^{2122020200120} is an apocalyptic number.

2122020200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122020200120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2518219653120).

2122020200120 is an abundant number, since it is smaller than the sum of its proper divisors (2914419106120).

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

2122020200120 is a wasteful number, since it uses less digits than its factorization.

2122020200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21885 (or 21881 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2122020200120 its reverse (210020202212), we get a palindrome (2332040402332).

The spelling of 2122020200120 in words is "two trillion, one hundred twenty-two billion, twenty million, two hundred thousand, one hundred twenty".