1121002121171 has 2 divisors, whose sum is σ = 1121002121172. Its totient is φ = 1121002121170.

The previous prime is 1121002121147. The next prime is 1121002121329. The reversal of 1121002121171 is 1711212001211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121002121171 - 2¹⁴ = 1121002104787 is a prime.

It is a super-2 number, since 2×1121002121171² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1121002121971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560501060585 + 560501060586.

It is an arithmetic number, because the mean of its divisors is an integer number (560501060586).

Almost surely, 2^{1121002121171} is an apocalyptic number.

1121002121171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121002121171 is an equidigital number, since it uses as much as digits as its factorization.

1121002121171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 1121002121171 its reverse (1711212001211), we get a palindrome (2832214122382).

The spelling of 1121002121171 in words is "one trillion, one hundred twenty-one billion, two million, one hundred twenty-one thousand, one hundred seventy-one".