101121320401 has 4 divisors (see below), whose sum is σ = 101544422400. Its totient is φ = 100698218404.

The previous prime is 101121320393. The next prime is 101121320441. The reversal of 101121320401 is 104023121101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 104023121101 = 49681 ⋅2093821.

It is a cyclic number.

It is not a de Polignac number, because 101121320401 - 2³ = 101121320393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101121320441) 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, 211550641 + ... + 211551118.

It is an arithmetic number, because the mean of its divisors is an integer number (25386105600).

Almost surely, 2^101121320401 is an apocalyptic number.

It is an amenable number.

101121320401 is a deficient number, since it is larger than the sum of its proper divisors (423101999).

101121320401 is an equidigital number, since it uses as much as digits as its factorization.

101121320401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423101998.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 101121320401 its reverse (104023121101), we get a palindrome (205144441502).

The spelling of 101121320401 in words is "one hundred one billion, one hundred twenty-one million, three hundred twenty thousand, four hundred one".