10021012100121 has 32 divisors (see below), whose sum is σ = 14622219118080. Its totient is φ = 6054112697600.

The previous prime is 10021012100039. The next prime is 10021012100131. The reversal of 10021012100121 is 12100121012001.

10021012100121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10021012100121 - 2²⁹ = 10020475229209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10021012100097 and 10021012100106.

It is not an unprimeable number, because it can be changed into a prime (10021012100131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17457601 + ... + 18022481.

It is an arithmetic number, because the mean of its divisors is an integer number (456944347440).

Almost surely, 2^{10021012100121} is an apocalyptic number.

10021012100121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10021012100121 is a deficient number, since it is larger than the sum of its proper divisors (4601207017959).

10021012100121 is a wasteful number, since it uses less digits than its factorization.

10021012100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566597.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10021012100121 its reverse (12100121012001), we get a palindrome (22121133112122).

The spelling of 10021012100121 in words is "ten trillion, twenty-one billion, twelve million, one hundred thousand, one hundred twenty-one".