211121000112011 has 32 divisors (see below), whose sum is σ = 232202455142400. Its totient is φ = 190358209641600.

The previous prime is 211121000111969. The next prime is 211121000112053. The reversal of 211121000112011 is 110211000121112.

It is an interprime number because it is at equal distance from previous prime (211121000111969) and next prime (211121000112053).

It is not a de Polignac number, because 211121000112011 - 2¹⁴ = 211121000095627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211121000112311) 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, 12743457650 + ... + 12743474216.

It is an arithmetic number, because the mean of its divisors is an integer number (7256326723200).

Almost surely, 2^{211121000112011} is an apocalyptic number.

211121000112011 is a deficient number, since it is larger than the sum of its proper divisors (21081455030389).

211121000112011 is a wasteful number, since it uses less digits than its factorization.

211121000112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27755.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 211121000112011 its reverse (110211000121112), we get a palindrome (321332000233123).

The spelling of 211121000112011 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred twelve thousand, eleven".