2110221210020 has 72 divisors (see below), whose sum is σ = 5623602526080. Its totient is φ = 657731282880.

The previous prime is 2110221210017. The next prime is 2110221210061. The reversal of 2110221210020 is 200121220112.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2110221209977 and 2110221210004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97865900 + ... + 97887459.

It is an arithmetic number, because the mean of its divisors is an integer number (78105590640).

Almost surely, 2^{2110221210020} is an apocalyptic number.

2110221210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2110221210020 is an abundant number, since it is smaller than the sum of its proper divisors (3513381316060).

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

2110221210020 is a wasteful number, since it uses less digits than its factorization.

2110221210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195753393 (or 195753384 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2110221210020 its reverse (200121220112), we get a palindrome (2310342430132).

The spelling of 2110221210020 in words is "two trillion, one hundred ten billion, two hundred twenty-one million, two hundred ten thousand, twenty".