211101212122 has 8 divisors (see below), whose sum is σ = 316722782016. Its totient is φ = 105526951452.

The previous prime is 211101212117. The next prime is 211101212131. The reversal of 211101212122 is 221212101112.

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

It is a junction number, because it is equal to n+sod(n) for n = 211101212096 and 211101212105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11816148 + ... + 11833999.

It is an arithmetic number, because the mean of its divisors is an integer number (39590347752).

Almost surely, 2^211101212122 is an apocalyptic number.

211101212122 is a deficient number, since it is larger than the sum of its proper divisors (105621569894).

211101212122 is a wasteful number, since it uses less digits than its factorization.

211101212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23654612.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211101212122 its reverse (221212101112), we get a palindrome (432313313234).

The spelling of 211101212122 in words is "two hundred eleven billion, one hundred one million, two hundred twelve thousand, one hundred twenty-two".