212202003320121 has 4 divisors (see below), whose sum is σ = 282936004426832. Its totient is φ = 141468002213412.

The previous prime is 212202003320117. The next prime is 212202003320243. The reversal of 212202003320121 is 121023300202212.

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 not a de Polignac number, because 212202003320121 - 2² = 212202003320117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212202003322121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35367000553351 + ... + 35367000553356.

It is an arithmetic number, because the mean of its divisors is an integer number (70734001106708).

Almost surely, 2^{212202003320121} is an apocalyptic number.

It is an amenable number.

212202003320121 is a deficient number, since it is larger than the sum of its proper divisors (70734001106711).

212202003320121 is an equidigital number, since it uses as much as digits as its factorization.

212202003320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70734001106710.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212202003320121 its reverse (121023300202212), we get a palindrome (333225303522333).

The spelling of 212202003320121 in words is "two hundred twelve trillion, two hundred two billion, three million, three hundred twenty thousand, one hundred twenty-one".