101020001011 has 4 divisors (see below), whose sum is σ = 105412174992. Its totient is φ = 96627827032.

The previous prime is 101020000997. The next prime is 101020001083. The reversal of 101020001011 is 110100020101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110100020101 = 298817 ⋅368453.

It is a cyclic number.

It is not a de Polignac number, because 101020001011 - 2²⁷ = 100885783283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101020000985 and 101020001003.

It is not an unprimeable number, because it can be changed into a prime (101020001111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2196086956 + ... + 2196087001.

It is an arithmetic number, because the mean of its divisors is an integer number (26353043748).

Almost surely, 2^101020001011 is an apocalyptic number.

101020001011 is a deficient number, since it is larger than the sum of its proper divisors (4392173981).

101020001011 is an equidigital number, since it uses as much as digits as its factorization.

101020001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4392173980.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 101020001011 its reverse (110100020101), we get a palindrome (211120021112).

The spelling of 101020001011 in words is "one hundred one billion, twenty million, one thousand, eleven".