121102010202121 has 32 divisors (see below), whose sum is σ = 131954336833536. Its totient is φ = 110477053440000.

The previous prime is 121102010202113. The next prime is 121102010202143. The reversal of 121102010202121 is 121202010201121.

It is not a de Polignac number, because 121102010202121 - 2³ = 121102010202113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121102010202095 and 121102010202104.

It is not an unprimeable number, because it can be changed into a prime (121102010202181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3368511696 + ... + 3368547646.

It is an arithmetic number, because the mean of its divisors is an integer number (4123573026048).

Almost surely, 2^{121102010202121} is an apocalyptic number.

It is an amenable number.

121102010202121 is a deficient number, since it is larger than the sum of its proper divisors (10852326631415).

121102010202121 is a wasteful number, since it uses less digits than its factorization.

121102010202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44953.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121102010202121 its reverse (121202010201121), we get a palindrome (242304020403242).

The spelling of 121102010202121 in words is "one hundred twenty-one trillion, one hundred two billion, ten million, two hundred two thousand, one hundred twenty-one".