101231030121 has 8 divisors (see below), whose sum is σ = 145357376640. Its totient is φ = 62296018512.

The previous prime is 101231030101. The next prime is 101231030141. The reversal of 101231030121 is 121030132101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101231030101) and next prime (101231030141).

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

It is not a de Polignac number, because 101231030121 - 2⁶ = 101231030057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101231030121.

It is not an unprimeable number, because it can be changed into a prime (101231030101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297833681 + ... + 1297833758.

It is an arithmetic number, because the mean of its divisors is an integer number (18169672080).

Almost surely, 2^101231030121 is an apocalyptic number.

It is an amenable number.

101231030121 is a deficient number, since it is larger than the sum of its proper divisors (44126346519).

101231030121 is a wasteful number, since it uses less digits than its factorization.

101231030121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595667455.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101231030121 its reverse (121030132101), we get a palindrome (222261162222).

The spelling of 101231030121 in words is "one hundred one billion, two hundred thirty-one million, thirty thousand, one hundred twenty-one".