211212032222 has 16 divisors (see below), whose sum is σ = 333996244992. Its totient is φ = 100024914360.

The previous prime is 211212032219. The next prime is 211212032249. The reversal of 211212032222 is 222230212112.

It is a super-2 number, since 2×211212032222² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211212032194 and 211212032203.

It is a congruent number.

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, 36237998 + ... + 36243825.

It is an arithmetic number, because the mean of its divisors is an integer number (20874765312).

Almost surely, 2^211212032222 is an apocalyptic number.

211212032222 is a deficient number, since it is larger than the sum of its proper divisors (122784212770).

211212032222 is a wasteful number, since it uses less digits than its factorization.

211212032222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72481903.

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

Adding to 211212032222 its reverse (222230212112), we get a palindrome (433442244334).

The spelling of 211212032222 in words is "two hundred eleven billion, two hundred twelve million, thirty-two thousand, two hundred twenty-two".