211011202022021 has 8 divisors (see below), whose sum is σ = 211504131721920. Its totient is φ = 210518408560608.

The previous prime is 211011202022017. The next prime is 211011202022029. The reversal of 211011202022021 is 120220202110112.

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 211011202022021 - 2² = 211011202022017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211011202022029) 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, 30958001 + ... + 37154006.

It is an arithmetic number, because the mean of its divisors is an integer number (26438016465240).

Almost surely, 2^{211011202022021} is an apocalyptic number.

It is an amenable number.

211011202022021 is a deficient number, since it is larger than the sum of its proper divisors (492929699899).

211011202022021 is an equidigital number, since it uses as much as digits as its factorization.

211011202022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68119243.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211011202022021 its reverse (120220202110112), we get a palindrome (331231404132133).

The spelling of 211011202022021 in words is "two hundred eleven trillion, eleven billion, two hundred two million, twenty-two thousand, twenty-one".