211121000110101 has 32 divisors (see below), whose sum is σ = 287958335841792. Its totient is φ = 137536878024000.

The previous prime is 211121000110087. The next prime is 211121000110129. The reversal of 211121000110101 is 101011000121112.

It is not a de Polignac number, because 211121000110101 - 2¹⁸ = 211120999847957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121000110201) 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, 1476681246 + ... + 1476824208.

It is an arithmetic number, because the mean of its divisors is an integer number (8998697995056).

Almost surely, 2^{211121000110101} is an apocalyptic number.

It is an amenable number.

211121000110101 is a deficient number, since it is larger than the sum of its proper divisors (76837335731691).

211121000110101 is a wasteful number, since it uses less digits than its factorization.

211121000110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180273.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 211121000110101 its reverse (101011000121112), we get a palindrome (312132000231213).

The spelling of 211121000110101 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred ten thousand, one hundred one".