101031020111 has 8 divisors (see below), whose sum is σ = 122256024480. Its totient is φ = 81504016128.

The previous prime is 101031020063. The next prime is 101031020119. The reversal of 101031020111 is 111020130101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101031020111 - 2⁶ = 101031020047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101031020092 and 101031020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101031020119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424499966 + ... + 424500203.

It is an arithmetic number, because the mean of its divisors is an integer number (15282003060).

Almost surely, 2^101031020111 is an apocalyptic number.

101031020111 is a deficient number, since it is larger than the sum of its proper divisors (21225004369).

101031020111 is an equidigital number, since it uses as much as digits as its factorization.

101031020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849000193.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 101031020111 its reverse (111020130101), we get a palindrome (212051150212).

The spelling of 101031020111 in words is "one hundred one billion, thirty-one million, twenty thousand, one hundred eleven".