11011122002021 has 16 divisors (see below), whose sum is σ = 11229133194240. Its totient is φ = 10795267267200.

The previous prime is 11011122001949. The next prime is 11011122002123. The reversal of 11011122002021 is 12020022111011.

It is a cyclic number.

It is not a de Polignac number, because 11011122002021 - 2³⁴ = 10993942132837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011122001987 and 11011122002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011122002921) 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, 130546700 + ... + 130631018.

It is an arithmetic number, because the mean of its divisors is an integer number (701820824640).

Almost surely, 2^{11011122002021} is an apocalyptic number.

It is an amenable number.

11011122002021 is a deficient number, since it is larger than the sum of its proper divisors (218011192219).

11011122002021 is a wasteful number, since it uses less digits than its factorization.

11011122002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97076.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11011122002021 its reverse (12020022111011), we get a palindrome (23031144113032).

The spelling of 11011122002021 in words is "eleven trillion, eleven billion, one hundred twenty-two million, two thousand, twenty-one".