20211054127 has 4 divisors (see below), whose sum is σ = 22048422696. Its totient is φ = 18373685560.

The previous prime is 20211054049. The next prime is 20211054131. The reversal of 20211054127 is 72145011202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20211054127 - 2⁷ = 20211053999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211954127) 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, 918684268 + ... + 918684289.

It is an arithmetic number, because the mean of its divisors is an integer number (5512105674).

Almost surely, 2^20211054127 is an apocalyptic number.

20211054127 is a deficient number, since it is larger than the sum of its proper divisors (1837368569).

20211054127 is a wasteful number, since it uses less digits than its factorization.

20211054127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837368568.

The product of its (nonzero) digits is 1120, while the sum is 25.

Adding to 20211054127 its reverse (72145011202), we get a palindrome (92356065329).

The spelling of 20211054127 in words is "twenty billion, two hundred eleven million, fifty-four thousand, one hundred twenty-seven".