1111021202102 has 8 divisors (see below), whose sum is σ = 1904607775056. Its totient is φ = 476151943752.

The previous prime is 1111021202099. The next prime is 1111021202117. The reversal of 1111021202102 is 2012021201111.

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

It is a super-2 number, since 2×1111021202102² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 79358657293 = 1111021202102 / (1 + 1 + 1 + 1 + 0 + 2 + 1 + 2 + 0 + 2 + 1 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39679328633 + ... + 39679328660.

It is an arithmetic number, because the mean of its divisors is an integer number (238075971882).

Almost surely, 2^{1111021202102} is an apocalyptic number.

1111021202102 is a deficient number, since it is larger than the sum of its proper divisors (793586572954).

1111021202102 is an equidigital number, since it uses as much as digits as its factorization.

1111021202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79358657302.

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

Adding to 1111021202102 its reverse (2012021201111), we get a palindrome (3123042403213).

Subtracting 1111021202102 from its reverse (2012021201111), we obtain a palindrome (900999999009).

The spelling of 1111021202102 in words is "one trillion, one hundred eleven billion, twenty-one million, two hundred two thousand, one hundred two".