11210020220121 has 16 divisors (see below), whose sum is σ = 14963335570560. Its totient is φ = 7465027305600.

The previous prime is 11210020220117. The next prime is 11210020220149. The reversal of 11210020220121 is 12102202001211.

It is not a de Polignac number, because 11210020220121 - 2² = 11210020220117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11210020220121.

It is not an unprimeable number, because it can be changed into a prime (11210020227121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31462671 + ... + 31816971.

It is an arithmetic number, because the mean of its divisors is an integer number (935208473160).

Almost surely, 2^{11210020220121} is an apocalyptic number.

It is an amenable number.

11210020220121 is a deficient number, since it is larger than the sum of its proper divisors (3753315350439).

11210020220121 is a wasteful number, since it uses less digits than its factorization.

11210020220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366016.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11210020220121 its reverse (12102202001211), we get a palindrome (23312222221332).

The spelling of 11210020220121 in words is "eleven trillion, two hundred ten billion, twenty million, two hundred twenty thousand, one hundred twenty-one".