101331002121 has 8 divisors (see below), whose sum is σ = 138759570624. Its totient is φ = 65728217520.

The previous prime is 101331002099. The next prime is 101331002131. The reversal of 101331002121 is 121200133101.

It is a happy number.

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

It is not a de Polignac number, because 101331002121 - 2⁶ = 101331002057 is a prime.

It is a super-2 number, since 2×101331002121² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101331002121.

It is not an unprimeable number, because it can be changed into a prime (101331002131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456445845 + ... + 456446066.

It is an arithmetic number, because the mean of its divisors is an integer number (17344946328).

Almost surely, 2^101331002121 is an apocalyptic number.

It is an amenable number.

101331002121 is a deficient number, since it is larger than the sum of its proper divisors (37428568503).

101331002121 is an equidigital number, since it uses as much as digits as its factorization.

101331002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912891951.

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

Adding to 101331002121 its reverse (121200133101), we get a palindrome (222531135222).

The spelling of 101331002121 in words is "one hundred one billion, three hundred thirty-one million, two thousand, one hundred twenty-one".