11012121212021 has 8 divisors (see below), whose sum is σ = 11019543676320. Its totient is φ = 11004699947472.

The previous prime is 11012121212003. The next prime is 11012121212117. The reversal of 11012121212021 is 12021212121011.

11012121212021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11012121212021 - 2³⁸ = 10737243305077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012111212021) 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, 18457775 + ... + 19045043.

It is an arithmetic number, because the mean of its divisors is an integer number (1377442959540).

Almost surely, 2^{11012121212021} is an apocalyptic number.

It is an amenable number.

11012121212021 is a deficient number, since it is larger than the sum of its proper divisors (7422464299).

11012121212021 is a wasteful number, since it uses less digits than its factorization.

11012121212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599875.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11012121212021 its reverse (12021212121011), we get a palindrome (23033333333032).

The spelling of 11012121212021 in words is "eleven trillion, twelve billion, one hundred twenty-one million, two hundred twelve thousand, twenty-one".