211002020100121 has 8 divisors (see below), whose sum is σ = 211254374036160. Its totient is φ = 210749668217328.

The previous prime is 211002020100061. The next prime is 211002020100127. The reversal of 211002020100121 is 121001020200112.

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 211002020100121 - 2¹⁵ = 211002020067353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211002020100127) 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, 339775915 + ... + 340396351.

It is an arithmetic number, because the mean of its divisors is an integer number (26406796754520).

Almost surely, 2^{211002020100121} is an apocalyptic number.

It is an amenable number.

211002020100121 is a deficient number, since it is larger than the sum of its proper divisors (252353936039).

211002020100121 is an equidigital number, since it uses as much as digits as its factorization.

211002020100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026623.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211002020100121 its reverse (121001020200112), we get a palindrome (332003040300233).

Subtracting from 211002020100121 its reverse (121001020200112), we obtain a palindrome (90000999900009).

The spelling of 211002020100121 in words is "two hundred eleven trillion, two billion, twenty million, one hundred thousand, one hundred twenty-one".