211021101222112 has 96 divisors (see below), whose sum is σ = 419604853651200. Its totient is φ = 104461467264000.

The previous prime is 211021101222101. The next prime is 211021101222121. The reversal of 211021101222112 is 211222101120112.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 211021101222112.

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, 991296487 + ... + 991509337.

It is an arithmetic number, because the mean of its divisors is an integer number (4370883892200).

Almost surely, 2^{211021101222112} is an apocalyptic number.

It is an amenable number.

211021101222112 is a deficient number, since it is larger than the sum of its proper divisors (208583752429088).

211021101222112 is a wasteful number, since it uses less digits than its factorization.

211021101222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213840 (or 213832 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211021101222112 its reverse (211222101120112), we get a palindrome (422243202342224).

The spelling of 211021101222112 in words is "two hundred eleven trillion, twenty-one billion, one hundred one million, two hundred twenty-two thousand, one hundred twelve".