101021130111 has 16 divisors (see below), whose sum is σ = 147018872448. Its totient is φ = 61191991200.

The previous prime is 101021130103. The next prime is 101021130139. The reversal of 101021130111 is 111031120101.

It is not a de Polignac number, because 101021130111 - 2³ = 101021130103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021130151) 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, 761061 + ... + 883886.

It is an arithmetic number, because the mean of its divisors is an integer number (9188679528).

Almost surely, 2^101021130111 is an apocalyptic number.

101021130111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101021130111 is a deficient number, since it is larger than the sum of its proper divisors (45997742337).

101021130111 is a wasteful number, since it uses less digits than its factorization.

101021130111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646822.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 101021130111 its reverse (111031120101), we get a palindrome (212052250212).

It can be divided in two parts, 101021 and 130111, that added together give a palindrome (231132).

The spelling of 101021130111 in words is "one hundred one billion, twenty-one million, one hundred thirty thousand, one hundred eleven".