212203310022021 has 8 divisors (see below), whose sum is σ = 284152071790080. Its totient is φ = 140861710800992.

The previous prime is 212203310022007. The next prime is 212203310022049. The reversal of 212203310022021 is 120220013302212.

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 212203310022021 - 2¹⁹ = 212203309497733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212203310022091) 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, 151790635941 + ... + 151790637338.

It is an arithmetic number, because the mean of its divisors is an integer number (35519008973760).

Almost surely, 2^{212203310022021} is an apocalyptic number.

It is an amenable number.

212203310022021 is a deficient number, since it is larger than the sum of its proper divisors (71948761768059).

212203310022021 is a wasteful number, since it uses less digits than its factorization.

212203310022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303581273515.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212203310022021 its reverse (120220013302212), we get a palindrome (332423323324233).

The spelling of 212203310022021 in words is "two hundred twelve trillion, two hundred three billion, three hundred ten million, twenty-two thousand, twenty-one".