101021543404 has 6 divisors (see below), whose sum is σ = 176787700964. Its totient is φ = 50510771700.

The previous prime is 101021543383. The next prime is 101021543423. The reversal of 101021543404 is 404345120101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12627692922 + ... + 12627692929.

Almost surely, 2^101021543404 is an apocalyptic number.

It is an amenable number.

101021543404 is a deficient number, since it is larger than the sum of its proper divisors (75766157560).

101021543404 is a wasteful number, since it uses less digits than its factorization.

101021543404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25255385855 (or 25255385853 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 101021543404 its reverse (404345120101), we get a palindrome (505366663505).

The spelling of 101021543404 in words is "one hundred one billion, twenty-one million, five hundred forty-three thousand, four hundred four".