10012220020121 has 16 divisors (see below), whose sum is σ = 11055541099968. Its totient is φ = 9066601477120.

The previous prime is 10012220020081. The next prime is 10012220020141. The reversal of 10012220020121 is 12102002221001.

It is not a de Polignac number, because 10012220020121 - 2¹⁸ = 10012219757977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10012220020096 and 10012220020105.

It is not an unprimeable number, because it can be changed into a prime (10012220020141) 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, 14292815 + ... + 14976948.

It is an arithmetic number, because the mean of its divisors is an integer number (690971318748).

Almost surely, 2^{10012220020121} is an apocalyptic number.

10012220020121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10012220020121 is a deficient number, since it is larger than the sum of its proper divisors (1043321079847).

10012220020121 is an equidigital number, since it uses as much as digits as its factorization.

10012220020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29270053 (or 29270031 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10012220020121 its reverse (12102002221001), we get a palindrome (22114222241122).

The spelling of 10012220020121 in words is "ten trillion, twelve billion, two hundred twenty million, twenty thousand, one hundred twenty-one".