212101011021122 has 64 divisors (see below), whose sum is σ = 349094815027200. Its totient is φ = 96248384144640.

The previous prime is 212101011021103. The next prime is 212101011021143. The reversal of 212101011021122 is 221120110101212.

212101011021122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212101011021122² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 212101011021122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1399644497 + ... + 1399796027.

It is an arithmetic number, because the mean of its divisors is an integer number (5454606484800).

Almost surely, 2^{212101011021122} is an apocalyptic number.

212101011021122 is a deficient number, since it is larger than the sum of its proper divisors (136993804006078).

212101011021122 is a wasteful number, since it uses less digits than its factorization.

212101011021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163791.

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

Adding to 212101011021122 its reverse (221120110101212), we get a palindrome (433221121122334).

The spelling of 212101011021122 in words is "two hundred twelve trillion, one hundred one billion, eleven million, twenty-one thousand, one hundred twenty-two".