211012220002021 has 8 divisors (see below), whose sum is σ = 216278373104640. Its totient is φ = 205802389392768.

The previous prime is 211012220001937. The next prime is 211012220002069. The reversal of 211012220002021 is 120200022210112.

It is a happy number.

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 211012220002021 - 2¹⁵ = 211012219969253 is a prime.

It is a super-2 number, since 2×211012220002021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211012220001986 and 211012220002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211012220002621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14080615756 + ... + 14080630741.

It is an arithmetic number, because the mean of its divisors is an integer number (27034796638080).

Almost surely, 2^{211012220002021} is an apocalyptic number.

It is an amenable number.

211012220002021 is a deficient number, since it is larger than the sum of its proper divisors (5266153102619).

211012220002021 is a wasteful number, since it uses less digits than its factorization.

211012220002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28161246683.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211012220002021 its reverse (120200022210112), we get a palindrome (331212242212133).

The spelling of 211012220002021 in words is "two hundred eleven trillion, twelve billion, two hundred twenty million, two thousand, twenty-one".