11012011020121 has 8 divisors (see below), whose sum is σ = 11086127006400. Its totient is φ = 10937897832432.

The previous prime is 11012011020119. The next prime is 11012011020133. The reversal of 11012011020121 is 12102011021011.

It is a happy number.

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 11012011020121 - 2¹ = 11012011020119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012011020421) 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, 7520386 + ... + 8864548.

It is an arithmetic number, because the mean of its divisors is an integer number (1385765875800).

Almost surely, 2^{11012011020121} is an apocalyptic number.

It is an amenable number.

11012011020121 is a deficient number, since it is larger than the sum of its proper divisors (74115986279).

11012011020121 is a wasteful number, since it uses less digits than its factorization.

11012011020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399295.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11012011020121 its reverse (12102011021011), we get a palindrome (23114022041132).

The spelling of 11012011020121 in words is "eleven trillion, twelve billion, eleven million, twenty thousand, one hundred twenty-one".