124121431101 has 16 divisors (see below), whose sum is σ = 179966211264. Its totient is φ = 75775244544.

The previous prime is 124121431097. The next prime is 124121431127. The reversal of 124121431101 is 101134121421.

It is not a de Polignac number, because 124121431101 - 2² = 124121431097 is a prime.

It is a super-2 number, since 2×124121431101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124121431501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32886675 + ... + 32890448.

It is an arithmetic number, because the mean of its divisors is an integer number (11247888204).

Almost surely, 2^124121431101 is an apocalyptic number.

It is an amenable number.

124121431101 is a deficient number, since it is larger than the sum of its proper divisors (55844780163).

124121431101 is a wasteful number, since it uses less digits than its factorization.

124121431101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65777180.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 124121431101 its reverse (101134121421), we get a palindrome (225255552522).

The spelling of 124121431101 in words is "one hundred twenty-four billion, one hundred twenty-one million, four hundred thirty-one thousand, one hundred one".