213112022222 has 96 divisors (see below), whose sum is σ = 369149743872. Its totient is φ = 92093760000.

The previous prime is 213112022183. The next prime is 213112022239. The reversal of 213112022222 is 222220211312.

It is a junction number, because it is equal to n+sod(n) for n = 213112022194 and 213112022203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103804148 + ... + 103806200.

It is an arithmetic number, because the mean of its divisors is an integer number (3845309832).

Almost surely, 2^213112022222 is an apocalyptic number.

213112022222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213112022222 is a deficient number, since it is larger than the sum of its proper divisors (156037721650).

213112022222 is a wasteful number, since it uses less digits than its factorization.

213112022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346 (or 2335 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 213112022222 its reverse (222220211312), we get a palindrome (435332233534).

The spelling of 213112022222 in words is "two hundred thirteen billion, one hundred twelve million, twenty-two thousand, two hundred twenty-two".