2210100020121 has 8 divisors (see below), whose sum is σ = 3367771459264. Its totient is φ = 1262914297200.

The previous prime is 2210100020071. The next prime is 2210100020137. The reversal of 2210100020121 is 1210200010122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2210100020121 - 2⁹ = 2210100019609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210100020097 and 2210100020106.

It is not an unprimeable number, because it can be changed into a prime (2210100020621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52621429030 + ... + 52621429071.

It is an arithmetic number, because the mean of its divisors is an integer number (420971432408).

Almost surely, 2^{2210100020121} is an apocalyptic number.

2210100020121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2210100020121 is a deficient number, since it is larger than the sum of its proper divisors (1157671439143).

2210100020121 is a wasteful number, since it uses less digits than its factorization.

2210100020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105242858111.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2210100020121 its reverse (1210200010122), we get a palindrome (3420300030243).

Subtracting from 2210100020121 its reverse (1210200010122), we obtain a palindrome (999900009999).

The spelling of 2210100020121 in words is "two trillion, two hundred ten billion, one hundred million, twenty thousand, one hundred twenty-one".