212021001111122 has 8 divisors (see below), whose sum is σ = 363464573333376. Its totient is φ = 90866143333332.

The previous prime is 212021001111089. The next prime is 212021001111137. The reversal of 212021001111122 is 221111100120212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 212021001111122.

It is an unprimeable number.

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, 7572178611098 + ... + 7572178611125.

It is an arithmetic number, because the mean of its divisors is an integer number (45433071666672).

Almost surely, 2^{212021001111122} is an apocalyptic number.

212021001111122 is a deficient number, since it is larger than the sum of its proper divisors (151443572222254).

212021001111122 is a wasteful number, since it uses less digits than its factorization.

212021001111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15144357222232.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212021001111122 its reverse (221111100120212), we get a palindrome (433132101231334).

The spelling of 212021001111122 in words is "two hundred twelve trillion, twenty-one billion, one million, one hundred eleven thousand, one hundred twenty-two".