101121120123 has 8 divisors (see below), whose sum is σ = 141924379200. Its totient is φ = 63865970568.

The previous prime is 101121120101. The next prime is 101121120131. The reversal of 101121120123 is 321021121101.

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

It is not a de Polignac number, because 101121120123 - 2⁶ = 101121120059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101121120173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887027313 + ... + 887027426.

It is an arithmetic number, because the mean of its divisors is an integer number (17740547400).

Almost surely, 2^101121120123 is an apocalyptic number.

101121120123 is a deficient number, since it is larger than the sum of its proper divisors (40803259077).

101121120123 is a wasteful number, since it uses less digits than its factorization.

101121120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774054761.

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

Adding to 101121120123 its reverse (321021121101), we get a palindrome (422142241224).

The spelling of 101121120123 in words is "one hundred one billion, one hundred twenty-one million, one hundred twenty thousand, one hundred twenty-three".