10220112012121 has 16 divisors (see below), whose sum is σ = 11175261439680. Its totient is φ = 9269311726080.

The previous prime is 10220112012073. The next prime is 10220112012151. The reversal of 10220112012121 is 12121021102201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10220112012121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10220112012095 and 10220112012104.

It is not an unprimeable number, because it can be changed into a prime (10220112012151) 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, 26567665 + ... + 26949601.

It is an arithmetic number, because the mean of its divisors is an integer number (698453839980).

Almost surely, 2^{10220112012121} is an apocalyptic number.

10220112012121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10220112012121 is a deficient number, since it is larger than the sum of its proper divisors (955149427559).

10220112012121 is a wasteful number, since it uses less digits than its factorization.

10220112012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387624.

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

Adding to 10220112012121 its reverse (12121021102201), we get a palindrome (22341133114322).

The spelling of 10220112012121 in words is "ten trillion, two hundred twenty billion, one hundred twelve million, twelve thousand, one hundred twenty-one".