211102101222220 has 48 divisors (see below), whose sum is σ = 477418397893920. Its totient is φ = 77944921560576.

The previous prime is 211102101222209. The next prime is 211102101222239. The reversal of 211102101222220 is 22222101201112.

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, 42362199 + ... + 47082481.

It is an arithmetic number, because the mean of its divisors is an integer number (9946216622790).

Almost surely, 2^{211102101222220} is an apocalyptic number.

211102101222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211102101222220 is an abundant number, since it is smaller than the sum of its proper divisors (266316296671700).

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

211102101222220 is a wasteful number, since it uses less digits than its factorization.

211102101222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892314 (or 4892312 counting only the distinct ones).

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

Adding to 211102101222220 its reverse (22222101201112), we get a palindrome (233324202423332).

The spelling of 211102101222220 in words is "two hundred eleven trillion, one hundred two billion, one hundred one million, two hundred twenty-two thousand, two hundred twenty".