11011020012021 has 8 divisors (see below), whose sum is σ = 14693021148960. Its totient is φ = 7334849441552.

The previous prime is 11011020011939. The next prime is 11011020012043. The reversal of 11011020012021 is 12021002011011.

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 11011020012021 - 2³¹ = 11008872528373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11011020011988 and 11011020012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011020012071) 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, 1457637210 + ... + 1457644763.

It is an arithmetic number, because the mean of its divisors is an integer number (1836627643620).

Almost surely, 2^{11011020012021} is an apocalyptic number.

It is an amenable number.

11011020012021 is a deficient number, since it is larger than the sum of its proper divisors (3682001136939).

11011020012021 is a wasteful number, since it uses less digits than its factorization.

11011020012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915283235.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11011020012021 its reverse (12021002011011), we get a palindrome (23032022023032).

The spelling of 11011020012021 in words is "eleven trillion, eleven billion, twenty million, twelve thousand, twenty-one".