11111220010102 has 8 divisors (see below), whose sum is σ = 16677716257512. Its totient is φ = 5551981257600.

The previous prime is 11111220010091. The next prime is 11111220010123. The reversal of 11111220010102 is 20101002211111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11111220010102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1814369899 + ... + 1814376022.

It is an arithmetic number, because the mean of its divisors is an integer number (2084714532189).

Almost surely, 2^{11111220010102} is an apocalyptic number.

11111220010102 is a deficient number, since it is larger than the sum of its proper divisors (5566496247410).

11111220010102 is a wasteful number, since it uses less digits than its factorization.

11111220010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3628747454.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11111220010102 its reverse (20101002211111), we get a palindrome (31212222221213).

The spelling of 11111220010102 in words is "eleven trillion, one hundred eleven billion, two hundred twenty million, ten thousand, one hundred two".