211122210022 has 8 divisors (see below), whose sum is σ = 316692438336. Its totient is φ = 105558063912.

The previous prime is 211122209929. The next prime is 211122210023. The reversal of 211122210022 is 220012221112.

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 = 211122209978 and 211122210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122210023) 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, 1432758 + ... + 1573225.

It is an arithmetic number, because the mean of its divisors is an integer number (39586554792).

Almost surely, 2^211122210022 is an apocalyptic number.

211122210022 is a deficient number, since it is larger than the sum of its proper divisors (105570228314).

211122210022 is a wasteful number, since it uses less digits than its factorization.

211122210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041102.

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

Adding to 211122210022 its reverse (220012221112), we get a palindrome (431134431134).

The spelling of 211122210022 in words is "two hundred eleven billion, one hundred twenty-two million, two hundred ten thousand, twenty-two".