121023112210013 has 8 divisors (see below), whose sum is σ = 137999204873208. Its totient is φ = 105142251331584.

The previous prime is 121023112210001. The next prime is 121023112210019. The reversal of 121023112210013 is 310012211320121.

It can be written as a sum of positive squares in 4 ways, for example, as 8259887496004 + 112763224714009 = 2874002^2 + 10619003^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 121023112210013 - 2⁸ = 121023112209757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121023112210019) 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, 273807945956 + ... + 273807946397.

It is an arithmetic number, because the mean of its divisors is an integer number (17249900609151).

Almost surely, 2^{121023112210013} is an apocalyptic number.

121023112210013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121023112210013 is a deficient number, since it is larger than the sum of its proper divisors (16976092663195).

121023112210013 is a wasteful number, since it uses less digits than its factorization.

121023112210013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547615892383.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121023112210013 its reverse (310012211320121), we get a palindrome (431035323530134).

The spelling of 121023112210013 in words is "one hundred twenty-one trillion, twenty-three billion, one hundred twelve million, two hundred ten thousand, thirteen".