11131211123102 has 16 divisors (see below), whose sum is σ = 19547492704992. Its totient is φ = 4654164929280.

The previous prime is 11131211123101. The next prime is 11131211123117. The reversal of 11131211123102 is 20132111213111.

It is a super-2 number, since 2×11131211123102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131211123101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9696176363 + ... + 9696177510.

It is an arithmetic number, because the mean of its divisors is an integer number (1221718294062).

Almost surely, 2^{11131211123102} is an apocalyptic number.

11131211123102 is a deficient number, since it is larger than the sum of its proper divisors (8416281581890).

11131211123102 is a wasteful number, since it uses less digits than its factorization.

11131211123102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19392353923.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 11131211123102 its reverse (20132111213111), we get a palindrome (31263322336213).

Subtracting 11131211123102 from its reverse (20132111213111), we obtain a palindrome (9000900090009).

The spelling of 11131211123102 in words is "eleven trillion, one hundred thirty-one billion, two hundred eleven million, one hundred twenty-three thousand, one hundred two".