211000020121110 has 64 divisors (see below), whose sum is σ = 557906083893504. Its totient is φ = 50645069328000.

The previous prime is 211000020121069. The next prime is 211000020121123. The reversal of 211000020121110 is 11121020000112.

It is a super-2 number, since 2×211000020121110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3165283504 + ... + 3165350163.

It is an arithmetic number, because the mean of its divisors is an integer number (8717282560836).

Almost surely, 2^{211000020121110} is an apocalyptic number.

211000020121110 is an abundant number, since it is smaller than the sum of its proper divisors (346906063772394).

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

211000020121110 is a wasteful number, since it uses less digits than its factorization.

211000020121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330633789.

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

Adding to 211000020121110 its reverse (11121020000112), we get a palindrome (222121040121222).

The spelling of 211000020121110 in words is "two hundred eleven trillion, twenty million, one hundred twenty-one thousand, one hundred ten".