211010212012021 has 8 divisors (see below), whose sum is σ = 214726135190688. Its totient is φ = 207326185170000.

The previous prime is 211010212011943. The next prime is 211010212012031. The reversal of 211010212012021 is 120210212010112.

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 211010212012021 - 2¹¹ = 211010212009973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211010212011986 and 211010212012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211010212012031) 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, 7974070815 + ... + 7974097276.

It is an arithmetic number, because the mean of its divisors is an integer number (26840766898836).

Almost surely, 2^{211010212012021} is an apocalyptic number.

It is an amenable number.

211010212012021 is a deficient number, since it is larger than the sum of its proper divisors (3715923178667).

211010212012021 is a wasteful number, since it uses less digits than its factorization.

211010212012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15948168323.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211010212012021 its reverse (120210212010112), we get a palindrome (331220424022133).

The spelling of 211010212012021 in words is "two hundred eleven trillion, ten billion, two hundred twelve million, twelve thousand, twenty-one".