1121109922949 has 2 divisors, whose sum is σ = 1121109922950. Its totient is φ = 1121109922948.

The previous prime is 1121109922943. The next prime is 1121109922957. The reversal of 1121109922949 is 9492299011211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 727748898724 + 393361024225 = 853082^2 + 627185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121109922949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121109922897 and 1121109922906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121109922943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560554961474 + 560554961475.

It is an arithmetic number, because the mean of its divisors is an integer number (560554961475).

Almost surely, 2^{1121109922949} is an apocalyptic number.

It is an amenable number.

1121109922949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121109922949 is an equidigital number, since it uses as much as digits as its factorization.

1121109922949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 50.

The spelling of 1121109922949 in words is "one trillion, one hundred twenty-one billion, one hundred nine million, nine hundred twenty-two thousand, nine hundred forty-nine".