10021210021121 has 16 divisors (see below), whose sum is σ = 11624560389120. Its totient is φ = 8562734199360.

The previous prime is 10021210021079. The next prime is 10021210021127. The reversal of 10021210021121 is 12112001212001.

10021210021121 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 10021210021121 - 2⁶ = 10021210021057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021210021096 and 10021210021105.

It is not an unprimeable number, because it can be changed into a prime (10021210021127) 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, 540567386 + ... + 540585923.

It is an arithmetic number, because the mean of its divisors is an integer number (726535024320).

Almost surely, 2^{10021210021121} is an apocalyptic number.

It is an amenable number.

10021210021121 is a deficient number, since it is larger than the sum of its proper divisors (1603350367999).

10021210021121 is a wasteful number, since it uses less digits than its factorization.

10021210021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081153376.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10021210021121 its reverse (12112001212001), we get a palindrome (22133211233122).

The spelling of 10021210021121 in words is "ten trillion, twenty-one billion, two hundred ten million, twenty-one thousand, one hundred twenty-one".