101210102121 has 8 divisors (see below), whose sum is σ = 134956478080. Its totient is φ = 67468563792.

The previous prime is 101210102087. The next prime is 101210102197. The reversal of 101210102121 is 121201012101.

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

It is not a de Polignac number, because 101210102121 - 2⁶ = 101210102057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101210102097 and 101210102106.

It is not an unprimeable number, because it can be changed into a prime (101210102621) 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, 1160305 + ... + 1244478.

It is an arithmetic number, because the mean of its divisors is an integer number (16869559760).

Almost surely, 2^101210102121 is an apocalyptic number.

It is an amenable number.

101210102121 is a deficient number, since it is larger than the sum of its proper divisors (33746375959).

101210102121 is a wasteful number, since it uses less digits than its factorization.

101210102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418815.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101210102121 its reverse (121201012101), we get a palindrome (222411114222).

The spelling of 101210102121 in words is "one hundred one billion, two hundred ten million, one hundred two thousand, one hundred twenty-one".