130121011 has 2 divisors, whose sum is σ = 130121012. Its totient is φ = 130121010.

The previous prime is 130120997. The next prime is 130121023. The reversal of 130121011 is 110121031.

It is a strong prime.

It is an emirp because it is prime and its reverse (110121031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130121011 - 2¹³ = 130112819 is a prime.

It is not a weakly prime, because it can be changed into another prime (130121071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65060505 + 65060506.

It is an arithmetic number, because the mean of its divisors is an integer number (65060506).

Almost surely, 2^130121011 is an apocalyptic number.

130121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

130121011 is an equidigital number, since it uses as much as digits as its factorization.

130121011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 130121011 is about 11407.0597000279. The cubic root of 130121011 is about 506.7368370515.

Adding to 130121011 its reverse (110121031), we get a palindrome (240242042).

The spelling of 130121011 in words is "one hundred thirty million, one hundred twenty-one thousand, eleven".