211020220031222 has 24 divisors (see below), whose sum is σ = 368211299882976. Its totient is φ = 90436611183408.

The previous prime is 211020220031191. The next prime is 211020220031237. The reversal of 211020220031222 is 222130022020112.

It is a junction number, because it is equal to n+sod(n) for n = 211020220031194 and 211020220031203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6919388 + ... + 21677600.

It is an arithmetic number, because the mean of its divisors is an integer number (15342137495124).

Almost surely, 2^{211020220031222} is an apocalyptic number.

211020220031222 is a deficient number, since it is larger than the sum of its proper divisors (157191079851754).

211020220031222 is a wasteful number, since it uses less digits than its factorization.

211020220031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14904132 (or 14904125 counting only the distinct ones).

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

Adding to 211020220031222 its reverse (222130022020112), we get a palindrome (433150242051334).

The spelling of 211020220031222 in words is "two hundred eleven trillion, twenty billion, two hundred twenty million, thirty-one thousand, two hundred twenty-two".