1021121001107 has 2 divisors, whose sum is σ = 1021121001108. Its totient is φ = 1021121001106.

The previous prime is 1021121001091. The next prime is 1021121001139. The reversal of 1021121001107 is 7011001211201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021121001107 - 2⁴ = 1021121001091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021121004107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510560500553 + 510560500554.

It is an arithmetic number, because the mean of its divisors is an integer number (510560500554).

Almost surely, 2^{1021121001107} is an apocalyptic number.

1021121001107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021121001107 is an equidigital number, since it uses as much as digits as its factorization.

1021121001107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 1021121001107 its reverse (7011001211201), we get a palindrome (8032122212308).

The spelling of 1021121001107 in words is "one trillion, twenty-one billion, one hundred twenty-one million, one thousand, one hundred seven".