101331020011 has 16 divisors (see below), whose sum is σ = 113179859968. Its totient is φ = 90089949600.

The previous prime is 101331019967. The next prime is 101331020017. The reversal of 101331020011 is 110020133101.

It is a cyclic number.

It is not a de Polignac number, because 101331020011 - 2⁷ = 101331019883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101331019973 and 101331020000.

It is not an unprimeable number, because it can be changed into a prime (101331020017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510801 + ... + 680866.

It is an arithmetic number, because the mean of its divisors is an integer number (7073741248).

Almost surely, 2^101331020011 is an apocalyptic number.

101331020011 is a deficient number, since it is larger than the sum of its proper divisors (11848839957).

101331020011 is a wasteful number, since it uses less digits than its factorization.

101331020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191922.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 101331020011 its reverse (110020133101), we get a palindrome (211351153112).

The spelling of 101331020011 in words is "one hundred one billion, three hundred thirty-one million, twenty thousand, eleven".