1121022101 has 2 divisors, whose sum is σ = 1121022102. Its totient is φ = 1121022100.

The previous prime is 1121022079. The next prime is 1121022107. The reversal of 1121022101 is 1012201211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 787083025 + 333939076 = 28055^2 + 18274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121022101 is a prime.

It is a super-3 number, since 3×1121022101³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121022107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560511050 + 560511051.

It is an arithmetic number, because the mean of its divisors is an integer number (560511051).

Almost surely, 2^1121022101 is an apocalyptic number.

It is an amenable number.

1121022101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121022101 is an equidigital number, since it uses as much as digits as its factorization.

1121022101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1121022101 is about 33481.6681334727. The cubic root of 1121022101 is about 1038.8146322621.

Adding to 1121022101 its reverse (1012201211), we get a palindrome (2133223312).

The spelling of 1121022101 in words is "one billion, one hundred twenty-one million, twenty-two thousand, one hundred one".