2212010203121 has 4 divisors (see below), whose sum is σ = 2263452300912. Its totient is φ = 2160568105332.

The previous prime is 2212010203079. The next prime is 2212010203159. The reversal of 2212010203121 is 1213020102122.

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 2212010203121 - 2¹⁸ = 2212009940977 is a prime.

It is a super-2 number, since 2×2212010203121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212010203121.

It is not an unprimeable number, because it can be changed into a prime (2212010202121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25721048831 + ... + 25721048916.

It is an arithmetic number, because the mean of its divisors is an integer number (565863075228).

Almost surely, 2^{2212010203121} is an apocalyptic number.

It is an amenable number.

2212010203121 is a deficient number, since it is larger than the sum of its proper divisors (51442097791).

2212010203121 is an equidigital number, since it uses as much as digits as its factorization.

2212010203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51442097790.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2212010203121 its reverse (1213020102122), we get a palindrome (3425030305243).

The spelling of 2212010203121 in words is "two trillion, two hundred twelve billion, ten million, two hundred three thousand, one hundred twenty-one".