1121030103021 has 16 divisors (see below), whose sum is σ = 1546280060160. Its totient is φ = 721567828800.

The previous prime is 1121030103019. The next prime is 1121030103073. The reversal of 1121030103021 is 1203010301211.

It is a happy number.

It is not a de Polignac number, because 1121030103021 - 2¹ = 1121030103019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121030103001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5536671 + ... + 5735571.

It is an arithmetic number, because the mean of its divisors is an integer number (96642503760).

Almost surely, 2^{1121030103021} is an apocalyptic number.

It is an amenable number.

1121030103021 is a deficient number, since it is larger than the sum of its proper divisors (425249957139).

1121030103021 is a wasteful number, since it uses less digits than its factorization.

1121030103021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263716.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1121030103021 its reverse (1203010301211), we get a palindrome (2324040404232).

The spelling of 1121030103021 in words is "one trillion, one hundred twenty-one billion, thirty million, one hundred three thousand, twenty-one".