1320101011 has 4 divisors (see below), whose sum is σ = 1321174624. Its totient is φ = 1319027400.

The previous prime is 1320101009. The next prime is 1320101047. The reversal of 1320101011 is 1101010231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1101010231 = 9391 ⋅117241.

It is a cyclic number.

It is not a de Polignac number, because 1320101011 - 2¹ = 1320101009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320104011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534960 + ... + 537421.

It is an arithmetic number, because the mean of its divisors is an integer number (330293656).

Almost surely, 2^1320101011 is an apocalyptic number.

1320101011 is a deficient number, since it is larger than the sum of its proper divisors (1073613).

1320101011 is a wasteful number, since it uses less digits than its factorization.

1320101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073612.

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

The square root of 1320101011 is about 36333.1943407127. The cubic root of 1320101011 is about 1096.9892908736.

Adding to 1320101011 its reverse (1101010231), we get a palindrome (2421111242).

The spelling of 1320101011 in words is "one billion, three hundred twenty million, one hundred one thousand, eleven".