211202210122 has 8 divisors (see below), whose sum is σ = 316811272896. Its totient is φ = 105598452492.

The previous prime is 211202210119. The next prime is 211202210129. The reversal of 211202210122 is 221012202112.

It is a happy number.

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 = 211202210096 and 211202210105.

It is not an unprimeable number, because it can be changed into a prime (211202210129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225218 + ... + 1386925.

It is an arithmetic number, because the mean of its divisors is an integer number (39601409112).

Almost surely, 2^211202210122 is an apocalyptic number.

211202210122 is a deficient number, since it is larger than the sum of its proper divisors (105609062774).

211202210122 is a wasteful number, since it uses less digits than its factorization.

211202210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652572.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211202210122 its reverse (221012202112), we get a palindrome (432214412234).

The spelling of 211202210122 in words is "two hundred eleven billion, two hundred two million, two hundred ten thousand, one hundred twenty-two".