101231332121 has 32 divisors (see below), whose sum is σ = 106395641856. Its totient is φ = 96235776000.

The previous prime is 101231332109. The next prime is 101231332177. The reversal of 101231332121 is 121233132101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101231332121 - 2⁶ = 101231332057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101231332093 and 101231332102.

It is not an unprimeable number, because it can be changed into a prime (101231334121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111120656 + ... + 111121566.

It is an arithmetic number, because the mean of its divisors is an integer number (3324863808).

Almost surely, 2^101231332121 is an apocalyptic number.

It is an amenable number.

101231332121 is a deficient number, since it is larger than the sum of its proper divisors (5164309735).

101231332121 is a wasteful number, since it uses less digits than its factorization.

101231332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 101231332121 its reverse (121233132101), we get a palindrome (222464464222).

The spelling of 101231332121 in words is "one hundred one billion, two hundred thirty-one million, three hundred thirty-two thousand, one hundred twenty-one".