10120011221221 has 16 divisors (see below), whose sum is σ = 11500963588800. Its totient is φ = 8823490537600.

The previous prime is 10120011221213. The next prime is 10120011221269. The reversal of 10120011221221 is 12212211002101.

10120011221221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10120011221221 - 2³ = 10120011221213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120011221195 and 10120011221204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120011224221) 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, 190134826 + ... + 190188043.

It is an arithmetic number, because the mean of its divisors is an integer number (718810224300).

Almost surely, 2^{10120011221221} is an apocalyptic number.

10120011221221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10120011221221 is a deficient number, since it is larger than the sum of its proper divisors (1380952367579).

10120011221221 is a wasteful number, since it uses less digits than its factorization.

10120011221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380322980.

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

Adding to 10120011221221 its reverse (12212211002101), we get a palindrome (22332222223322).

The spelling of 10120011221221 in words is "ten trillion, one hundred twenty billion, eleven million, two hundred twenty-one thousand, two hundred twenty-one".