211222020122 has 8 divisors (see below), whose sum is σ = 316869146400. Its totient is φ = 105598971324.

The previous prime is 211222020109. The next prime is 211222020137. The reversal of 211222020122 is 221020222112.

It is a happy number.

211222020122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×211222020122² (a number of 23 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 211222020122.

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, 5997422 + ... + 6032537.

It is an arithmetic number, because the mean of its divisors is an integer number (39608643300).

Almost surely, 2^211222020122 is an apocalyptic number.

211222020122 is a deficient number, since it is larger than the sum of its proper divisors (105647126278).

211222020122 is a wasteful number, since it uses less digits than its factorization.

211222020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12038740.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 211222020122 its reverse (221020222112), we get a palindrome (432242242234).

The spelling of 211222020122 in words is "two hundred eleven billion, two hundred twenty-two million, twenty thousand, one hundred twenty-two".