211022211102121 has 8 divisors (see below), whose sum is σ = 216118214230184. Its totient is φ = 205985810350080.

The previous prime is 211022211102091. The next prime is 211022211102191. The reversal of 211022211102121 is 121201112220112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4986646286400 + 206035564815721 = 2233080^2 + 14353939^2 .

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 211022211102121 - 2¹³ = 211022211093929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211022211102191) 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, 14900586840 + ... + 14900601001.

It is an arithmetic number, because the mean of its divisors is an integer number (27014776778773).

Almost surely, 2^{211022211102121} is an apocalyptic number.

It is an amenable number.

211022211102121 is a deficient number, since it is larger than the sum of its proper divisors (5096003128063).

211022211102121 is an equidigital number, since it uses as much as digits as its factorization.

211022211102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29801188011.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211022211102121 its reverse (121201112220112), we get a palindrome (332223323322233).

The spelling of 211022211102121 in words is "two hundred eleven trillion, twenty-two billion, two hundred eleven million, one hundred two thousand, one hundred twenty-one".