212101121122 has 32 divisors (see below), whose sum is σ = 352372550400. Its totient is φ = 94944220800.

The previous prime is 212101121077. The next prime is 212101121131. The reversal of 212101121122 is 221121101212.

It is a junction number, because it is equal to n+sod(n) for n = 212101121096 and 212101121105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519222 + ... + 832942.

It is an arithmetic number, because the mean of its divisors is an integer number (11011642200).

Almost surely, 2^212101121122 is an apocalyptic number.

212101121122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212101121122 is a deficient number, since it is larger than the sum of its proper divisors (140271429278).

212101121122 is a wasteful number, since it uses less digits than its factorization.

212101121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314202.

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

Adding to 212101121122 its reverse (221121101212), we get a palindrome (433222222334).

The spelling of 212101121122 in words is "two hundred twelve billion, one hundred one million, one hundred twenty-one thousand, one hundred twenty-two".