11021212021103 has 2 divisors, whose sum is σ = 11021212021104. Its totient is φ = 11021212021102.

The previous prime is 11021212021093. The next prime is 11021212021123. The reversal of 11021212021103 is 30112021212011.

It is a happy number.

11021212021103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11021212021103 - 2¹² = 11021212017007 is a prime.

It is a super-2 number, since 2×11021212021103² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021212021123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510606010551 + 5510606010552.

It is an arithmetic number, because the mean of its divisors is an integer number (5510606010552).

Almost surely, 2^{11021212021103} is an apocalyptic number.

11021212021103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021212021103 is an equidigital number, since it uses as much as digits as its factorization.

11021212021103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11021212021103 its reverse (30112021212011), we get a palindrome (41133233233114).

The spelling of 11021212021103 in words is "eleven trillion, twenty-one billion, two hundred twelve million, twenty-one thousand, one hundred three".