101010110121 has 12 divisors (see below), whose sum is σ = 145906318272. Its totient is φ = 67338769176.

The previous prime is 101010110099. The next prime is 101010110129. The reversal of 101010110121 is 121011010101.

It is not a de Polignac number, because 101010110121 - 2²⁵ = 100976555689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (101010110129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 693180 + ... + 826146.

It is an arithmetic number, because the mean of its divisors is an integer number (12158859856).

Almost surely, 2^101010110121 is an apocalyptic number.

It is an amenable number.

101010110121 is a deficient number, since it is larger than the sum of its proper divisors (44896208151).

101010110121 is a wasteful number, since it uses less digits than its factorization.

101010110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217380 (or 217377 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 101010110121 its reverse (121011010101), we get a palindrome (222021120222).

The spelling of 101010110121 in words is "one hundred one billion, ten million, one hundred ten thousand, one hundred twenty-one".