212211122010121 has 8 divisors (see below), whose sum is σ = 228535866823040. Its totient is φ = 195886493247312.

The previous prime is 212211122010067. The next prime is 212211122010127. The reversal of 212211122010121 is 121010221112212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 212211122010121 - 2⁷ = 212211122009993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212211122010127) 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, 25196031 + ... + 32546308.

It is an arithmetic number, because the mean of its divisors is an integer number (28566983352880).

Almost surely, 2^{212211122010121} is an apocalyptic number.

It is an amenable number.

212211122010121 is a deficient number, since it is larger than the sum of its proper divisors (16324744812919).

212211122010121 is a wasteful number, since it uses less digits than its factorization.

212211122010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58025055.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212211122010121 its reverse (121010221112212), we get a palindrome (333221343122333).

The spelling of 212211122010121 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred twenty-two million, ten thousand, one hundred twenty-one".