11221020102102 has 32 divisors (see below), whose sum is σ = 23765919633792. Its totient is φ = 3519763081344.

The previous prime is 11221020102091. The next prime is 11221020102151. The reversal of 11221020102102 is 20120102012211.

It is a super-2 number, since 2×11221020102102² (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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8054248 + ... + 9344139.

It is an arithmetic number, because the mean of its divisors is an integer number (742684988556).

Almost surely, 2^{11221020102102} is an apocalyptic number.

11221020102102 is an abundant number, since it is smaller than the sum of its proper divisors (12544899531690).

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

11221020102102 is a wasteful number, since it uses less digits than its factorization.

11221020102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17404732.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11221020102102 its reverse (20120102012211), we get a palindrome (31341122114313).

The spelling of 11221020102102 in words is "eleven trillion, two hundred twenty-one billion, twenty million, one hundred two thousand, one hundred two".