10121101010109 has 32 divisors (see below), whose sum is σ = 15141293256960. Its totient is φ = 6681232318464.

The previous prime is 10121101010081. The next prime is 10121101010113. The reversal of 10121101010109 is 90101010112101.

It is not a de Polignac number, because 10121101010109 - 2²⁷ = 10120966792381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10121101010091 and 10121101010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121101010179) 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, 28839757 + ... + 29188589.

It is an arithmetic number, because the mean of its divisors is an integer number (473165414280).

Almost surely, 2^{10121101010109} is an apocalyptic number.

It is an amenable number.

10121101010109 is a deficient number, since it is larger than the sum of its proper divisors (5020192246851).

10121101010109 is a wasteful number, since it uses less digits than its factorization.

10121101010109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359378 (or 359372 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 18.

The spelling of 10121101010109 in words is "ten trillion, one hundred twenty-one billion, one hundred one million, ten thousand, one hundred nine".