10112212202121 has 24 divisors (see below), whose sum is σ = 14627494001120. Its totient is φ = 6731800897536.

The previous prime is 10112212202077. The next prime is 10112212202159. The reversal of 10112212202121 is 12120221221101.

10112212202121 is a `hidden beast` number, since 1 + 0 + 11 + 221 + 220 + 212 + 1 = 666.

It is not a de Polignac number, because 10112212202121 - 2²² = 10112208007817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10112212202094 and 10112212202103.

It is not an unprimeable number, because it can be changed into a prime (10112212202021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53356290 + ... + 53545476.

Almost surely, 2^{10112212202121} is an apocalyptic number.

It is an amenable number.

10112212202121 is a deficient number, since it is larger than the sum of its proper divisors (4515281798999).

10112212202121 is a wasteful number, since it uses less digits than its factorization.

10112212202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197685 (or 197682 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10112212202121 its reverse (12120221221101), we get a palindrome (22232433423222).

The spelling of 10112212202121 in words is "ten trillion, one hundred twelve billion, two hundred twelve million, two hundred two thousand, one hundred twenty-one".