2110221122020 has 96 divisors (see below), whose sum is σ = 5090306457600. Its totient is φ = 726745622400.

The previous prime is 2110221122017. The next prime is 2110221122033. The reversal of 2110221122020 is 202211220112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2110221121985 and 2110221122003.

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, 14015901 + ... + 14165659.

It is an arithmetic number, because the mean of its divisors is an integer number (53024025600).

Almost surely, 2^{2110221122020} is an apocalyptic number.

2110221122020 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 2110221122020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2545153228800).

2110221122020 is an abundant number, since it is smaller than the sum of its proper divisors (2980085335580).

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

2110221122020 is a wasteful number, since it uses less digits than its factorization.

2110221122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153169 (or 153167 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2110221122020 its reverse (202211220112), we get a palindrome (2312432342132).

The spelling of 2110221122020 in words is "two trillion, one hundred ten billion, two hundred twenty-one million, one hundred twenty-two thousand, twenty".