100500121641 has 16 divisors (see below), whose sum is σ = 136428945408. Its totient is φ = 65793210000.

The previous prime is 100500121627. The next prime is 100500121651. The reversal of 100500121641 is 146121005001.

It is not a de Polignac number, because 100500121641 - 2¹³ = 100500113449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100500121651) 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, 886441 + ... + 993366.

It is an arithmetic number, because the mean of its divisors is an integer number (8526809088).

Almost surely, 2^100500121641 is an apocalyptic number.

It is an amenable number.

100500121641 is a deficient number, since it is larger than the sum of its proper divisors (35928823767).

100500121641 is a wasteful number, since it uses less digits than its factorization.

100500121641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880132.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 100500121641 its reverse (146121005001), we get a palindrome (246621126642).

The spelling of 100500121641 in words is "one hundred billion, five hundred million, one hundred twenty-one thousand, six hundred forty-one".