101020302011 has 4 divisors (see below), whose sum is σ = 101020944024. Its totient is φ = 101019660000.

The previous prime is 101020301999. The next prime is 101020302013. The reversal of 101020302011 is 110203020101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 110203020101 = 3847 ⋅28646483.

It is a cyclic number.

It is not a de Polignac number, because 101020302011 - 2¹⁴ = 101020285627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101020301983 and 101020302001.

It is not an unprimeable number, because it can be changed into a prime (101020302013) 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, 93011 + ... + 459011.

It is an arithmetic number, because the mean of its divisors is an integer number (25255236006).

Almost surely, 2^101020302011 is an apocalyptic number.

101020302011 is a deficient number, since it is larger than the sum of its proper divisors (642013).

101020302011 is an equidigital number, since it uses as much as digits as its factorization.

101020302011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642012.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 101020302011 its reverse (110203020101), we get a palindrome (211223322112).

The spelling of 101020302011 in words is "one hundred one billion, twenty million, three hundred two thousand, eleven".