102121020101101 has 8 divisors (see below), whose sum is σ = 102293129562624. Its totient is φ = 101949034064160.

The previous prime is 102121020101077. The next prime is 102121020101119. The reversal of 102121020101101 is 101101020121201.

It is a happy number.

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 102121020101101 - 2¹¹ = 102121020099053 is a prime.

It is a super-2 number, since 2×102121020101101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121020101501) 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, 29199885 + ... + 32509618.

It is an arithmetic number, because the mean of its divisors is an integer number (12786641195328).

Almost surely, 2^{102121020101101} is an apocalyptic number.

It is an amenable number.

102121020101101 is a deficient number, since it is larger than the sum of its proper divisors (172109461523).

102121020101101 is an equidigital number, since it uses as much as digits as its factorization.

102121020101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61712291.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102121020101101 its reverse (101101020121201), we get a palindrome (203222040222302).

The spelling of 102121020101101 in words is "one hundred two trillion, one hundred twenty-one billion, twenty million, one hundred one thousand, one hundred one".