210011011121 has 12 divisors (see below), whose sum is σ = 222793399296. Its totient is φ = 197586900720.

The previous prime is 210011011097. The next prime is 210011011127. The reversal of 210011011121 is 121110110012.

It is not a de Polignac number, because 210011011121 - 2⁶ = 210011011057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210011011127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1141361 + ... + 1312526.

It is an arithmetic number, because the mean of its divisors is an integer number (18566116608).

Almost surely, 2^210011011121 is an apocalyptic number.

It is an amenable number.

210011011121 is a deficient number, since it is larger than the sum of its proper divisors (12782388175).

210011011121 is an equidigital number, since it uses as much as digits as its factorization.

210011011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454032 (or 2453971 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 210011011121 its reverse (121110110012), we get a palindrome (331121121133).

The spelling of 210011011121 in words is "two hundred ten billion, eleven million, eleven thousand, one hundred twenty-one".