211121101112110 has 16 divisors (see below), whose sum is σ = 434306265145056. Its totient is φ = 72384377524128.

The previous prime is 211121101112081. The next prime is 211121101112147. The reversal of 211121101112110 is 11211101121112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1508007865017 + ... + 1508007865156.

It is an arithmetic number, because the mean of its divisors is an integer number (27144141571566).

Almost surely, 2^{211121101112110} is an apocalyptic number.

211121101112110 is an abundant number, since it is smaller than the sum of its proper divisors (223185164032946).

211121101112110 is a wasteful number, since it uses less digits than its factorization.

211121101112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016015730187.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 211121101112110 its reverse (11211101121112), we get a palindrome (222332202233222).

The spelling of 211121101112110 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred one million, one hundred twelve thousand, one hundred ten".