10221212100121 has 8 divisors (see below), whose sum is σ = 11150952297984. Its totient is φ = 9291561751920.

The previous prime is 10221212100119. The next prime is 10221212100131. The reversal of 10221212100121 is 12100121212201.

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 10221212100121 - 2¹ = 10221212100119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221212100095 and 10221212100104.

It is not an unprimeable number, because it can be changed into a prime (10221212100101) 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, 22224441 + ... + 22679686.

It is an arithmetic number, because the mean of its divisors is an integer number (1393869037248).

Almost surely, 2^{10221212100121} is an apocalyptic number.

10221212100121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10221212100121 is a deficient number, since it is larger than the sum of its proper divisors (929740197863).

10221212100121 is a wasteful number, since it uses less digits than its factorization.

10221212100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44924831.

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

Adding to 10221212100121 its reverse (12100121212201), we get a palindrome (22321333312322).

The spelling of 10221212100121 in words is "ten trillion, two hundred twenty-one billion, two hundred twelve million, one hundred thousand, one hundred twenty-one".