10101021121 has 32 divisors (see below), whose sum is σ = 11338887168. Its totient is φ = 8953528320.

The previous prime is 10101021107. The next prime is 10101021181. The reversal of 10101021121 is 12112010101.

10101021121 is digitally balanced in base 3, 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 10101021121 - 2⁵ = 10101021089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101021098 and 10101021107.

It is not an unprimeable number, because it can be changed into a prime (10101021181) 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, 4779361 + ... + 4781473.

It is an arithmetic number, because the mean of its divisors is an integer number (354340224).

Almost surely, 2^10101021121 is an apocalyptic number.

It is an amenable number.

10101021121 is a deficient number, since it is larger than the sum of its proper divisors (1237866047).

10101021121 is a wasteful number, since it uses less digits than its factorization.

10101021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10101021121 its reverse (12112010101), we get a palindrome (22213031222).

The spelling of 10101021121 in words is "ten billion, one hundred one million, twenty-one thousand, one hundred twenty-one".