11111021102101 has 2 divisors, whose sum is σ = 11111021102102. Its totient is φ = 11111021102100.

The previous prime is 11111021102029. The next prime is 11111021102117. The reversal of 11111021102101 is 10120112011111.

11111021102101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6272890921476 + 4838130180625 = 2504574^2 + 2199575^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111021102101 - 2¹⁵ = 11111021069333 is a prime.

It is a super-2 number, since 2×11111021102101² (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 (11111021102131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555510551050 + 5555510551051.

It is an arithmetic number, because the mean of its divisors is an integer number (5555510551051).

Almost surely, 2^{11111021102101} is an apocalyptic number.

It is an amenable number.

11111021102101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111021102101 is an equidigital number, since it uses as much as digits as its factorization.

11111021102101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11111021102101 its reverse (10120112011111), we get a palindrome (21231133113212).

The spelling of 11111021102101 in words is "eleven trillion, one hundred eleven billion, twenty-one million, one hundred two thousand, one hundred one".