21213314101 has 16 divisors (see below), whose sum is σ = 24410010240. Its totient is φ = 18058602240.

The previous prime is 21213314099. The next prime is 21213314131. The reversal of 21213314101 is 10141331212.

It is not a de Polignac number, because 21213314101 - 2¹ = 21213314099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21213314131) 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, 586305 + ... + 621433.

It is an arithmetic number, because the mean of its divisors is an integer number (1525625640).

Almost surely, 2^21213314101 is an apocalyptic number.

It is an amenable number.

21213314101 is a deficient number, since it is larger than the sum of its proper divisors (3196696139).

21213314101 is a wasteful number, since it uses less digits than its factorization.

21213314101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35724.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21213314101 its reverse (10141331212), we get a palindrome (31354645313).

The spelling of 21213314101 in words is "twenty-one billion, two hundred thirteen million, three hundred fourteen thousand, one hundred one".