211213311122 has 16 divisors (see below), whose sum is σ = 347691379392. Its totient is φ = 95431162320.

The previous prime is 211213311107. The next prime is 211213311131. The reversal of 211213311122 is 221113312112.

It is a super-2 number, since 2×211213311122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211213311094 and 211213311103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28740653 + ... + 28748000.

It is an arithmetic number, because the mean of its divisors is an integer number (21730711212).

Almost surely, 2^211213311122 is an apocalyptic number.

211213311122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211213311122 is a deficient number, since it is larger than the sum of its proper divisors (136478068270).

211213311122 is a wasteful number, since it uses less digits than its factorization.

211213311122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57488833.

The product of its digits is 144, while the sum is 20.

Adding to 211213311122 its reverse (221113312112), we get a palindrome (432326623234).

The spelling of 211213311122 in words is "two hundred eleven billion, two hundred thirteen million, three hundred eleven thousand, one hundred twenty-two".