11121202020101 has 2 divisors, whose sum is σ = 11121202020102. Its totient is φ = 11121202020100.

The previous prime is 11121202020043. The next prime is 11121202020121. The reversal of 11121202020101 is 10102020212111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11116722930625 + 4479089476 = 3334175^2 + 66926^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121202020101 - 2¹⁸ = 11121201757957 is a prime.

It is a super-2 number, since 2×11121202020101² (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 (11121202020121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560601010050 + 5560601010051.

It is an arithmetic number, because the mean of its divisors is an integer number (5560601010051).

Almost surely, 2^{11121202020101} is an apocalyptic number.

It is an amenable number.

11121202020101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121202020101 is an equidigital number, since it uses as much as digits as its factorization.

11121202020101 is an evil number, because the sum of its binary digits is even.

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

Adding to 11121202020101 its reverse (10102020212111), we get a palindrome (21223222232212).

It can be divided in two parts, 111 and 21202020101, that added together give a palindrome (21202020212).

The spelling of 11121202020101 in words is "eleven trillion, one hundred twenty-one billion, two hundred two million, twenty thousand, one hundred one".