212011000022021 has 8 divisors (see below), whose sum is σ = 224523568914624. Its totient is φ = 199503023751360.

The previous prime is 212011000021993. The next prime is 212011000022077. The reversal of 212011000022021 is 120220000110212.

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 212011000022021 - 2³⁰ = 212009926280197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212011000021987 and 212011000022005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011000021021) 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, 1148060435 + ... + 1148245088.

It is an arithmetic number, because the mean of its divisors is an integer number (28065446114328).

Almost surely, 2^{212011000022021} is an apocalyptic number.

It is an amenable number.

212011000022021 is a deficient number, since it is larger than the sum of its proper divisors (12512568892603).

212011000022021 is a wasteful number, since it uses less digits than its factorization.

212011000022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296310971.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212011000022021 its reverse (120220000110212), we get a palindrome (332231000132233).

The spelling of 212011000022021 in words is "two hundred twelve trillion, eleven billion, twenty-two thousand, twenty-one".