211000120021110 has 64 divisors (see below), whose sum is σ = 590554271808000. Its totient is φ = 48228598859616.

The previous prime is 211000120021001. The next prime is 211000120021111. The reversal of 211000120021110 is 11120021000112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211000120021111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10252668040 + ... + 10252688619.

It is an arithmetic number, because the mean of its divisors is an integer number (9227410497000).

Almost surely, 2^{211000120021110} is an apocalyptic number.

211000120021110 is an abundant number, since it is smaller than the sum of its proper divisors (379554151786890).

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

211000120021110 is a wasteful number, since it uses less digits than its factorization.

211000120021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20505356690 (or 20505356676 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211000120021110 its reverse (11120021000112), we get a palindrome (222120141021222).

The spelling of 211000120021110 in words is "two hundred eleven trillion, one hundred twenty million, twenty-one thousand, one hundred ten".