211020222121112 has 64 divisors (see below), whose sum is σ = 400873138979040. Its totient is φ = 104127531264000.

The previous prime is 211020222121109. The next prime is 211020222121301. The reversal of 211020222121112 is 211121222020112.

It is a super-2 number, since 2×211020222121112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4241843423 + ... + 4241893169.

Almost surely, 2^{211020222121112} is an apocalyptic number.

It is an amenable number.

211020222121112 is a deficient number, since it is larger than the sum of its proper divisors (189852916857928).

211020222121112 is a wasteful number, since it uses less digits than its factorization.

211020222121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66732 (or 66728 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211020222121112 its reverse (211121222020112), we get a palindrome (422141444141224).

The spelling of 211020222121112 in words is "two hundred eleven trillion, twenty billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred twelve".