1031100100121 has 8 divisors (see below), whose sum is σ = 1269046277184. Its totient is φ = 815815463760.

The previous prime is 1031100100117. The next prime is 1031100100153. The reversal of 1031100100121 is 1210010011301.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1031100100121 - 2² = 1031100100117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1031100106121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5665385075 + ... + 5665385256.

It is an arithmetic number, because the mean of its divisors is an integer number (158630784648).

Almost surely, 2^{1031100100121} is an apocalyptic number.

It is an amenable number.

1031100100121 is a deficient number, since it is larger than the sum of its proper divisors (237946177063).

1031100100121 is a wasteful number, since it uses less digits than its factorization.

1031100100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11330770351.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 1031100100121 its reverse (1210010011301), we get a palindrome (2241110111422).

The spelling of 1031100100121 in words is "one trillion, thirty-one billion, one hundred million, one hundred thousand, one hundred twenty-one".