211211001012122 has 8 divisors (see below), whose sum is σ = 316817499655872. Its totient is φ = 105605167793500.

The previous prime is 211211001012059. The next prime is 211211001012131. The reversal of 211211001012122 is 221210100112112.

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

It is a super-2 number, since 2×211211001012122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211211001012122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165562004 + ... + 166832847.

It is an arithmetic number, because the mean of its divisors is an integer number (39602187456984).

Almost surely, 2^{211211001012122} is an apocalyptic number.

211211001012122 is a deficient number, since it is larger than the sum of its proper divisors (105606498643750).

211211001012122 is a wasteful number, since it uses less digits than its factorization.

211211001012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332712564.

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

Adding to 211211001012122 its reverse (221210100112112), we get a palindrome (432421101124234).

The spelling of 211211001012122 in words is "two hundred eleven trillion, two hundred eleven billion, one million, twelve thousand, one hundred twenty-two".