212201010021331 has 8 divisors (see below), whose sum is σ = 223369799795280. Its totient is φ = 201032251803648.

The previous prime is 212201010021317. The next prime is 212201010021379. The reversal of 212201010021331 is 133120010102212.

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 212201010021331 - 2⁹ = 212201010020819 is a prime.

It is a super-2 number, since 2×212201010021331² (a number of 29 digits) contains 22 as substring.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212201010021299 and 212201010021308.

It is not an unprimeable number, because it can be changed into a prime (212201010021131) 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, 6595875 + ... + 21631171.

It is an arithmetic number, because the mean of its divisors is an integer number (27921224974410).

Almost surely, 2^{212201010021331} is an apocalyptic number.

212201010021331 is a deficient number, since it is larger than the sum of its proper divisors (11168789773949).

212201010021331 is a wasteful number, since it uses less digits than its factorization.

212201010021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15778133.

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

Adding to 212201010021331 its reverse (133120010102212), we get a palindrome (345321020123543).

The spelling of 212201010021331 in words is "two hundred twelve trillion, two hundred one billion, ten million, twenty-one thousand, three hundred thirty-one".