10101212200121 has 8 divisors (see below), whose sum is σ = 11552198585664. Its totient is φ = 8652214832400.

The previous prime is 10101212200103. The next prime is 10101212200181. The reversal of 10101212200121 is 12100221210101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10101212200121 is a prime.

It is a super-3 number, since 3×10101212200121³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101212200096 and 10101212200105.

It is not an unprimeable number, because it can be changed into a prime (10101212200181) 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, 497243570 + ... + 497263883.

It is an arithmetic number, because the mean of its divisors is an integer number (1444024823208).

Almost surely, 2^{10101212200121} is an apocalyptic number.

It is an amenable number.

10101212200121 is a deficient number, since it is larger than the sum of its proper divisors (1450986385543).

10101212200121 is an equidigital number, since it uses as much as digits as its factorization.

10101212200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994508911.

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

Adding to 10101212200121 its reverse (12100221210101), we get a palindrome (22201433410222).

The spelling of 10101212200121 in words is "ten trillion, one hundred one billion, two hundred twelve million, two hundred thousand, one hundred twenty-one".