124102201421 has 16 divisors (see below), whose sum is σ = 137430328320. Its totient is φ = 111115717680.

The previous prime is 124102201393. The next prime is 124102201477.

124102201421 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-124102201421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124102201393 and 124102201402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124102201481) 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, 5107820 + ... + 5132058.

It is an arithmetic number, because the mean of its divisors is an integer number (8589395520).

Almost surely, 2^124102201421 is an apocalyptic number.

124102201421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124102201421 is a deficient number, since it is larger than the sum of its proper divisors (13328126899).

124102201421 is a wasteful number, since it uses less digits than its factorization.

124102201421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31264.

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 124102 and 201421, that added together give a palindrome (325523).

The spelling of 124102201421 in words is "one hundred twenty-four billion, one hundred two million, two hundred one thousand, four hundred twenty-one".