11131020102 has 16 divisors (see below), whose sum is σ = 22267106352. Its totient is φ = 3709495680.

The previous prime is 11131020083. The next prime is 11131020107. The reversal of 11131020102 is 20102013111.

It is a super-2 number, since 2×11131020102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131020107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182223 + ... + 235514.

It is an arithmetic number, because the mean of its divisors is an integer number (1391694147).

Almost surely, 2^11131020102 is an apocalyptic number.

11131020102 is an abundant number, since it is smaller than the sum of its proper divisors (11136086250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11131020102 is a wasteful number, since it uses less digits than its factorization.

11131020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422183.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11131020102 its reverse (20102013111), we get a palindrome (31233033213).

The spelling of 11131020102 in words is "eleven billion, one hundred thirty-one million, twenty thousand, one hundred two".