10210121121 has 8 divisors (see below), whose sum is σ = 13619245984. Its totient is φ = 6803871840.

The previous prime is 10210121101. The next prime is 10210121123. The reversal of 10210121121 is 12112101201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10210121121 - 2⁶ = 10210121057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210121097 and 10210121106.

It is not an unprimeable number, because it can be changed into a prime (10210121123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710596 + ... + 724821.

It is an arithmetic number, because the mean of its divisors is an integer number (1702405748).

Almost surely, 2^10210121121 is an apocalyptic number.

It is an amenable number.

10210121121 is a deficient number, since it is larger than the sum of its proper divisors (3409124863).

10210121121 is a wasteful number, since it uses less digits than its factorization.

10210121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437791.

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

Adding to 10210121121 its reverse (12112101201), we get a palindrome (22322222322).

The spelling of 10210121121 in words is "ten billion, two hundred ten million, one hundred twenty-one thousand, one hundred twenty-one".