2212001000121 has 64 divisors (see below), whose sum is σ = 3388409026560. Its totient is φ = 1281063009600.

The previous prime is 2212001000119. The next prime is 2212001000141. The reversal of 2212001000121 is 1210001002122.

It is not a de Polignac number, because 2212001000121 - 2¹ = 2212001000119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2212001000097 and 2212001000106.

It is not an unprimeable number, because it can be changed into a prime (2212001000141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98164626 + ... + 98187156.

It is an arithmetic number, because the mean of its divisors is an integer number (52943891040).

Almost surely, 2^{2212001000121} is an apocalyptic number.

It is an amenable number.

2212001000121 is a deficient number, since it is larger than the sum of its proper divisors (1176408026439).

2212001000121 is a wasteful number, since it uses less digits than its factorization.

2212001000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23659 (or 23637 counting only the distinct ones).

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

Adding to 2212001000121 its reverse (1210001002122), we get a palindrome (3422002002243).

The spelling of 2212001000121 in words is "two trillion, two hundred twelve billion, one million, one hundred twenty-one", and thus it is an aban number.