124100124112101 has 4 divisors (see below), whose sum is σ = 165466832149472. Its totient is φ = 82733416074732.

The previous prime is 124100124112079. The next prime is 124100124112103. The reversal of 124100124112101 is 101211421001421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 124100124112101 - 2¹⁸ = 124100123849957 is a prime.

It is a super-2 number, since 2×124100124112101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124100124112103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20683354018681 + ... + 20683354018686.

It is an arithmetic number, because the mean of its divisors is an integer number (41366708037368).

Almost surely, 2^{124100124112101} is an apocalyptic number.

It is an amenable number.

124100124112101 is a deficient number, since it is larger than the sum of its proper divisors (41366708037371).

124100124112101 is an equidigital number, since it uses as much as digits as its factorization.

124100124112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41366708037370.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 124100124112101 its reverse (101211421001421), we get a palindrome (225311545113522).

The spelling of 124100124112101 in words is "one hundred twenty-four trillion, one hundred billion, one hundred twenty-four million, one hundred twelve thousand, one hundred one".