10121010200121 has 16 divisors (see below), whose sum is σ = 13535906901440. Its totient is φ = 6726728194560.

The previous prime is 10121010200117. The next prime is 10121010200131. The reversal of 10121010200121 is 12100201012101.

It is not a de Polignac number, because 10121010200121 - 2² = 10121010200117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121010200097 and 10121010200106.

It is not an unprimeable number, because it can be changed into a prime (10121010200101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32328225 + ... + 32639793.

It is an arithmetic number, because the mean of its divisors is an integer number (845994181340).

Almost surely, 2^{10121010200121} is an apocalyptic number.

It is an amenable number.

10121010200121 is a deficient number, since it is larger than the sum of its proper divisors (3414896701319).

10121010200121 is a wasteful number, since it uses less digits than its factorization.

10121010200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344616.

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

Adding to 10121010200121 its reverse (12100201012101), we get a palindrome (22221211212222).

The spelling of 10121010200121 in words is "ten trillion, one hundred twenty-one billion, ten million, two hundred thousand, one hundred twenty-one".