101020000121 has 8 divisors (see below), whose sum is σ = 102029493504. Its totient is φ = 100010689200.

The previous prime is 101020000097. The next prime is 101020000127. The reversal of 101020000121 is 121000020101.

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

It is a cyclic number.

It is not a de Polignac number, because 101020000121 - 2²² = 101015805817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101020000099 and 101020000108.

It is not an unprimeable number, because it can be changed into a prime (101020000127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1249880 + ... + 1328246.

It is an arithmetic number, because the mean of its divisors is an integer number (12753686688).

Almost surely, 2^101020000121 is an apocalyptic number.

It is an amenable number.

101020000121 is a deficient number, since it is larger than the sum of its proper divisors (1009493383).

101020000121 is a wasteful number, since it uses less digits than its factorization.

101020000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91231.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 101020000121 its reverse (121000020101), we get a palindrome (222020020222).

The spelling of 101020000121 in words is "one hundred one billion, twenty million, one hundred twenty-one", and thus it is an aban number.