21053101411 has 8 divisors (see below), whose sum is σ = 22275987920. Its totient is φ = 19841697792.

The previous prime is 21053101409. The next prime is 21053101453. The reversal of 21053101411 is 11410135012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21053101411 - 2¹ = 21053101409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21053101481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2866950 + ... + 2874283.

It is an arithmetic number, because the mean of its divisors is an integer number (2784498490).

Almost surely, 2^21053101411 is an apocalyptic number.

21053101411 is a deficient number, since it is larger than the sum of its proper divisors (1222886509).

21053101411 is a wasteful number, since it uses less digits than its factorization.

21053101411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741445.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 21053101411 its reverse (11410135012), we get a palindrome (32463236423).

The spelling of 21053101411 in words is "twenty-one billion, fifty-three million, one hundred one thousand, four hundred eleven".