10121302121 has 16 divisors (see below), whose sum is σ = 12420138240. Its totient is φ = 8050076160.

The previous prime is 10121302067. The next prime is 10121302153. The reversal of 10121302121 is 12120312101.

It is not a de Polignac number, because 10121302121 - 2⁶ = 10121302057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121302096 and 10121302105.

It is not an unprimeable number, because it can be changed into a prime (10121302181) 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, 590516 + ... + 607413.

It is an arithmetic number, because the mean of its divisors is an integer number (776258640).

Almost surely, 2^10121302121 is an apocalyptic number.

It is an amenable number.

10121302121 is a deficient number, since it is larger than the sum of its proper divisors (2298836119).

10121302121 is a wasteful number, since it uses less digits than its factorization.

10121302121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198024.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10121302121 its reverse (12120312101), we get a palindrome (22241614222).

The spelling of 10121302121 in words is "ten billion, one hundred twenty-one million, three hundred two thousand, one hundred twenty-one".