221012210202211 has 8 divisors (see below), whose sum is σ = 223530907672800. Its totient is φ = 218494299714240.

The previous prime is 221012210202197. The next prime is 221012210202263. The reversal of 221012210202211 is 112202012210122.

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 221012210202211 - 2¹⁷ = 221012210071139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221012210205211) 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, 196180776 + ... + 197304133.

It is an arithmetic number, because the mean of its divisors is an integer number (27941363459100).

Almost surely, 2^{221012210202211} is an apocalyptic number.

221012210202211 is a deficient number, since it is larger than the sum of its proper divisors (2518697470589).

221012210202211 is an equidigital number, since it uses as much as digits as its factorization.

221012210202211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393491309.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221012210202211 its reverse (112202012210122), we get a palindrome (333214222412333).

The spelling of 221012210202211 in words is "two hundred twenty-one trillion, twelve billion, two hundred ten million, two hundred two thousand, two hundred eleven".