101121123 has 8 divisors (see below), whose sum is σ = 135366336. Its totient is φ = 67145000.

The previous prime is 101121109. The next prime is 101121131. The reversal of 101121123 is 321121101.

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

It is a cyclic number.

It is not a de Polignac number, because 101121123 - 2⁴ = 101121107 is a prime.

It is a super-2 number, since 2×101121123² = 20450963033562258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101121099 and 101121108.

It is not an unprimeable number, because it can be changed into a prime (101121323) 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, 66393 + ... + 67898.

It is an arithmetic number, because the mean of its divisors is an integer number (16920792).

Almost surely, 2^101121123 is an apocalyptic number.

101121123 is a deficient number, since it is larger than the sum of its proper divisors (34245213).

101121123 is a wasteful number, since it uses less digits than its factorization.

101121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134545.

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

The square root of 101121123 is about 10055.8999100031. The cubic root of 101121123 is about 465.8870384463.

Adding to 101121123 its reverse (321121101), we get a palindrome (422242224).

The spelling of 101121123 in words is "one hundred one million, one hundred twenty-one thousand, one hundred twenty-three".