1121102002102 has 4 divisors (see below), whose sum is σ = 1681653003156. Its totient is φ = 560551001050.

The previous prime is 1121102002073. The next prime is 1121102002117. The reversal of 1121102002102 is 2012002011211.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1121102002102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280275500524 + ... + 280275500527.

It is an arithmetic number, because the mean of its divisors is an integer number (420413250789).

Almost surely, 2^{1121102002102} is an apocalyptic number.

1121102002102 is a deficient number, since it is larger than the sum of its proper divisors (560551001054).

1121102002102 is an equidigital number, since it uses as much as digits as its factorization.

1121102002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560551001053.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1121102002102 its reverse (2012002011211), we get a palindrome (3133104013313).

The spelling of 1121102002102 in words is "one trillion, one hundred twenty-one billion, one hundred two million, two thousand, one hundred two".