102121110220001 has 8 divisors (see below), whose sum is σ = 102180280266240. Its totient is φ = 102061941442848.

The previous prime is 102121110219949. The next prime is 102121110220021. The reversal of 102121110220001 is 100022011121201.

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 102121110220001 - 2²⁶ = 102121043111137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102121110220021) 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, 195581060 + ... + 196102506.

It is an arithmetic number, because the mean of its divisors is an integer number (12772535033280).

Almost surely, 2^{102121110220001} is an apocalyptic number.

It is an amenable number.

102121110220001 is a deficient number, since it is larger than the sum of its proper divisors (59170046239).

102121110220001 is a wasteful number, since it uses less digits than its factorization.

102121110220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634543.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102121110220001 its reverse (100022011121201), we get a palindrome (202143121341202).

The spelling of 102121110220001 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred ten million, two hundred twenty thousand, one".