211202220120112 has 40 divisors (see below), whose sum is σ = 440874246228416. Its totient is φ = 97435324901376.

The previous prime is 211202220120041. The next prime is 211202220120127. The reversal of 211202220120112 is 211021022202112.

It is a super-2 number, since 2×211202220120112² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211202220120112.

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, 221517153 + ... + 222468544.

Almost surely, 2^{211202220120112} is an apocalyptic number.

It is an amenable number.

211202220120112 is an abundant number, since it is smaller than the sum of its proper divisors (229672026108304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211202220120112 is a wasteful number, since it uses less digits than its factorization.

211202220120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443988005 (or 443987999 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211202220120112 its reverse (211021022202112), we get a palindrome (422223242322224).

The spelling of 211202220120112 in words is "two hundred eleven trillion, two hundred two billion, two hundred twenty million, one hundred twenty thousand, one hundred twelve".