101000120111 has 16 divisors (see below), whose sum is σ = 111790723968. Its totient is φ = 90483228000.

The previous prime is 101000120101. The next prime is 101000120141. The reversal of 101000120111 is 111021000101.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-101000120111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000120101) 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, 223136 + ... + 501786.

It is an arithmetic number, because the mean of its divisors is an integer number (6986920248).

Almost surely, 2^101000120111 is an apocalyptic number.

101000120111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101000120111 is a deficient number, since it is larger than the sum of its proper divisors (10790603857).

101000120111 is a wasteful number, since it uses less digits than its factorization.

101000120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279142.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 101000120111 its reverse (111021000101), we get a palindrome (212021120212).

The spelling of 101000120111 in words is "one hundred one billion, one hundred twenty thousand, one hundred eleven".