10121342011 has 4 divisors (see below), whose sum is σ = 11041464024. Its totient is φ = 9201220000.

The previous prime is 10121341973. The next prime is 10121342029. The reversal of 10121342011 is 11024312101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10121342011 - 2²¹ = 10119244859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121342051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460060990 + ... + 460061011.

It is an arithmetic number, because the mean of its divisors is an integer number (2760366006).

Almost surely, 2^10121342011 is an apocalyptic number.

10121342011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10121342011 is a deficient number, since it is larger than the sum of its proper divisors (920122013).

10121342011 is an equidigital number, since it uses as much as digits as its factorization.

10121342011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920122012.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10121342011 its reverse (11024312101), we get a palindrome (21145654112).

The spelling of 10121342011 in words is "ten billion, one hundred twenty-one million, three hundred forty-two thousand, eleven".