1122121051 has 2 divisors, whose sum is σ = 1122121052. Its totient is φ = 1122121050.

The previous prime is 1122121031. The next prime is 1122121061. The reversal of 1122121051 is 1501212211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122121051 - 2²¹ = 1120023899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122121031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561060525 + 561060526.

It is an arithmetic number, because the mean of its divisors is an integer number (561060526).

Almost surely, 2^1122121051 is an apocalyptic number.

1122121051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122121051 is an equidigital number, since it uses as much as digits as its factorization.

1122121051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 1122121051 is about 33498.0753327710. The cubic root of 1122121051 is about 1039.1539751110.

Adding to 1122121051 its reverse (1501212211), we get a palindrome (2623333262).

The spelling of 1122121051 in words is "one billion, one hundred twenty-two million, one hundred twenty-one thousand, fifty-one".