2210212000121 has 4 divisors (see below), whose sum is σ = 2211168390144. Its totient is φ = 2209255610100.

The previous prime is 2210212000093. The next prime is 2210212000133. The reversal of 2210212000121 is 1210002120122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2210212000121 - 2³⁰ = 2209138258297 is a prime.

It is a super-3 number, since 3×2210212000121³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210212000096 and 2210212000105.

It is not an unprimeable number, because it can be changed into a prime (2210212000721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478191545 + ... + 478196166.

It is an arithmetic number, because the mean of its divisors is an integer number (552792097536).

Almost surely, 2^{2210212000121} is an apocalyptic number.

It is an amenable number.

2210212000121 is a deficient number, since it is larger than the sum of its proper divisors (956390023).

2210212000121 is an equidigital number, since it uses as much as digits as its factorization.

2210212000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956390022.

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

Adding to 2210212000121 its reverse (1210002120122), we get a palindrome (3420214120243).

The spelling of 2210212000121 in words is "two trillion, two hundred ten billion, two hundred twelve million, one hundred twenty-one", and thus it is an aban number.