11012020220121 has 8 divisors (see below), whose sum is σ = 14682760079520. Its totient is φ = 7341313587072.

The previous prime is 11012020220081. The next prime is 11012020220141. The reversal of 11012020220121 is 12102202021011.

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

It is not a de Polignac number, because 11012020220121 - 2⁹ = 11012020219609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11012020220121.

It is not an unprimeable number, because it can be changed into a prime (11012020220141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7522695 + ... + 8866508.

It is an arithmetic number, because the mean of its divisors is an integer number (1835345009940).

Almost surely, 2^{11012020220121} is an apocalyptic number.

It is an amenable number.

11012020220121 is a deficient number, since it is larger than the sum of its proper divisors (3670739859399).

11012020220121 is a wasteful number, since it uses less digits than its factorization.

11012020220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16613175.

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

Adding to 11012020220121 its reverse (12102202021011), we get a palindrome (23114222241132).

The spelling of 11012020220121 in words is "eleven trillion, twelve billion, twenty million, two hundred twenty thousand, one hundred twenty-one".