211220340110 has 32 divisors (see below), whose sum is σ = 409539049920. Its totient is φ = 77970659328.

The previous prime is 211220340091. The next prime is 211220340131. The reversal of 211220340110 is 11043022112.

It is a super-2 number, since 2×211220340110² (a number of 23 digits) contains 22 as substring.

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, 368159 + ... + 746981.

It is an arithmetic number, because the mean of its divisors is an integer number (12798095310).

Almost surely, 2^211220340110 is an apocalyptic number.

211220340110 is a deficient number, since it is larger than the sum of its proper divisors (198318709810).

211220340110 is a wasteful number, since it uses less digits than its factorization.

211220340110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383132.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 211220340110 its reverse (11043022112), we get a palindrome (222263362222).

The spelling of 211220340110 in words is "two hundred eleven billion, two hundred twenty million, three hundred forty thousand, one hundred ten".