211020102110121 has 8 divisors (see below), whose sum is σ = 281363052272544. Its totient is φ = 140678610010560.

The previous prime is 211020102110119. The next prime is 211020102110131. The reversal of 211020102110121 is 121011201020112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211020102110121 - 2¹ = 211020102110119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211020102110121.

It is not an unprimeable number, because it can be changed into a prime (211020102110131) 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, 364177975 + ... + 364756956.

It is an arithmetic number, because the mean of its divisors is an integer number (35170381534068).

Almost surely, 2^{211020102110121} is an apocalyptic number.

It is an amenable number.

211020102110121 is a deficient number, since it is larger than the sum of its proper divisors (70342950162423).

211020102110121 is an equidigital number, since it uses as much as digits as its factorization.

211020102110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729031431.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211020102110121 its reverse (121011201020112), we get a palindrome (332031303130233).

The spelling of 211020102110121 in words is "two hundred eleven trillion, twenty billion, one hundred two million, one hundred ten thousand, one hundred twenty-one".