10212203132221 has 8 divisors (see below), whose sum is σ = 10596248885504. Its totient is φ = 9831571119360.

The previous prime is 10212203132177. The next prime is 10212203132227. The reversal of 10212203132221 is 12223130221201.

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 10212203132221 - 2²⁹ = 10211666261309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212203132192 and 10212203132201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212203132227) 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, 853429011 + ... + 853440976.

It is an arithmetic number, because the mean of its divisors is an integer number (1324531110688).

Almost surely, 2^{10212203132221} is an apocalyptic number.

It is an amenable number.

10212203132221 is a deficient number, since it is larger than the sum of its proper divisors (384045753283).

10212203132221 is a wasteful number, since it uses less digits than its factorization.

10212203132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706870211.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 10212203132221 its reverse (12223130221201), we get a palindrome (22435333353422).

The spelling of 10212203132221 in words is "ten trillion, two hundred twelve billion, two hundred three million, one hundred thirty-two thousand, two hundred twenty-one".