11020212202021 has 24 divisors (see below), whose sum is σ = 12372835507200. Its totient is φ = 9803645602080.

The previous prime is 11020212202007. The next prime is 11020212202031. The reversal of 11020212202021 is 12020221202011.

It is a happy number.

11020212202021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-11020212202021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020212201986 and 11020212202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020212202031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36056955 + ... + 36361303.

It is an arithmetic number, because the mean of its divisors is an integer number (515534812800).

Almost surely, 2^{11020212202021} is an apocalyptic number.

11020212202021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11020212202021 is a deficient number, since it is larger than the sum of its proper divisors (1352623305179).

11020212202021 is a wasteful number, since it uses less digits than its factorization.

11020212202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310785 (or 310774 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11020212202021 its reverse (12020221202011), we get a palindrome (23040433404032).

The spelling of 11020212202021 in words is "eleven trillion, twenty billion, two hundred twelve million, two hundred two thousand, twenty-one".