21310101354 has 16 divisors (see below), whose sum is σ = 42628161600. Its totient is φ = 7102040640.

The previous prime is 21310101331. The next prime is 21310101361. The reversal of 21310101354 is 45310101312.

It is a self number, because there is not a number n which added to its sum of digits gives 21310101354.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296527 + ... + 361314.

It is an arithmetic number, because the mean of its divisors is an integer number (2664260100).

Almost surely, 2^21310101354 is an apocalyptic number.

21310101354 is an abundant number, since it is smaller than the sum of its proper divisors (21318060246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21310101354 is a wasteful number, since it uses less digits than its factorization.

21310101354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663245.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 21310101354 its reverse (45310101312), we get a palindrome (66620202666).

The spelling of 21310101354 in words is "twenty-one billion, three hundred ten million, one hundred one thousand, three hundred fifty-four".