1101203130121 has 4 divisors (see below), whose sum is σ = 1165979784852. Its totient is φ = 1036426475392.

The previous prime is 1101203130109. The next prime is 1101203130163. The reversal of 1101203130121 is 1210313021011.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 863897750521 + 237305379600 = 929461^2 + 487140^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101203130121 - 2²¹ = 1101201032969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101203130095 and 1101203130104.

It is not an unprimeable number, because it can be changed into a prime (1101203130421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32388327340 + ... + 32388327373.

It is an arithmetic number, because the mean of its divisors is an integer number (291494946213).

Almost surely, 2^{1101203130121} is an apocalyptic number.

It is an amenable number.

1101203130121 is a deficient number, since it is larger than the sum of its proper divisors (64776654731).

1101203130121 is an equidigital number, since it uses as much as digits as its factorization.

1101203130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64776654730.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1101203130121 its reverse (1210313021011), we get a palindrome (2311516151132).

The spelling of 1101203130121 in words is "one trillion, one hundred one billion, two hundred three million, one hundred thirty thousand, one hundred twenty-one".