21212332203101 has 8 divisors (see below), whose sum is σ = 22869236461344. Its totient is φ = 19559026001520.

The previous prime is 21212332203091. The next prime is 21212332203107. The reversal of 21212332203101 is 10130223321212.

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 21212332203101 - 2⁶ = 21212332203037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21212332203107) 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, 899501915 + ... + 899525496.

It is an arithmetic number, because the mean of its divisors is an integer number (2858654557668).

Almost surely, 2^{21212332203101} is an apocalyptic number.

It is an amenable number.

21212332203101 is a deficient number, since it is larger than the sum of its proper divisors (1656904258243).

21212332203101 is a wasteful number, since it uses less digits than its factorization.

21212332203101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799028331.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21212332203101 its reverse (10130223321212), we get a palindrome (31342555524313).

The spelling of 21212332203101 in words is "twenty-one trillion, two hundred twelve billion, three hundred thirty-two million, two hundred three thousand, one hundred one".