20211104134401 has 16 divisors (see below), whose sum is σ = 27163113354240. Its totient is φ = 13366822366800.

The previous prime is 20211104134337. The next prime is 20211104134427. The reversal of 20211104134401 is 10443140111202.

It is a happy number.

It is not a de Polignac number, because 20211104134401 - 2⁶ = 20211104134337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20211104134471) 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, 29687731 + ... + 30360888.

It is an arithmetic number, because the mean of its divisors is an integer number (1697694584640).

Almost surely, 2^{20211104134401} is an apocalyptic number.

It is an amenable number.

20211104134401 is a deficient number, since it is larger than the sum of its proper divisors (6952009219839).

20211104134401 is a wasteful number, since it uses less digits than its factorization.

20211104134401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60049516.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 20211104134401 its reverse (10443140111202), we get a palindrome (30654244245603).

The spelling of 20211104134401 in words is "twenty trillion, two hundred eleven billion, one hundred four million, one hundred thirty-four thousand, four hundred one".