2210121120020 has 24 divisors (see below), whose sum is σ = 5063186566368. Its totient is φ = 803680407200.

The previous prime is 2210121119963. The next prime is 2210121120041. The reversal of 2210121120020 is 200211210122.

It is a junction number, because it is equal to n+sod(n) for n = 2210121119977 and 2210121120004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5023002326 + ... + 5023002765.

It is an arithmetic number, because the mean of its divisors is an integer number (210966106932).

Almost surely, 2^{2210121120020} is an apocalyptic number.

2210121120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210121120020 is an abundant number, since it is smaller than the sum of its proper divisors (2853065446348).

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

2210121120020 is a wasteful number, since it uses less digits than its factorization.

2210121120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10046005111 (or 10046005109 counting only the distinct ones).

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

Adding to 2210121120020 its reverse (200211210122), we get a palindrome (2410332330142).

The spelling of 2210121120020 in words is "two trillion, two hundred ten billion, one hundred twenty-one million, one hundred twenty thousand, twenty".