211011120123 has 8 divisors (see below), whose sum is σ = 284909529600. Its totient is φ = 138893395368.

The previous prime is 211011120107. The next prime is 211011120143. The reversal of 211011120123 is 321021110112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211011120123 - 2⁴ = 211011120107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211011120143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445170903 + ... + 445171376.

It is an arithmetic number, because the mean of its divisors is an integer number (35613691200).

Almost surely, 2^211011120123 is an apocalyptic number.

211011120123 is a deficient number, since it is larger than the sum of its proper divisors (73898409477).

211011120123 is an equidigital number, since it uses as much as digits as its factorization.

211011120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890342361.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 211011120123 its reverse (321021110112), we get a palindrome (532032230235).

The spelling of 211011120123 in words is "two hundred eleven billion, eleven million, one hundred twenty thousand, one hundred twenty-three".