121000211111013 has 16 divisors (see below), whose sum is σ = 173747836100160. Its totient is φ = 74459978423424.

The previous prime is 121000211111009. The next prime is 121000211111047. The reversal of 121000211111013 is 310111112000121.

It is not a de Polignac number, because 121000211111013 - 2² = 121000211111009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121000211110983 and 121000211111001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000211111063) 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, 33465831 + ... + 36904772.

It is an arithmetic number, because the mean of its divisors is an integer number (10859239756260).

Almost surely, 2^{121000211111013} is an apocalyptic number.

121000211111013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121000211111013 is a deficient number, since it is larger than the sum of its proper divisors (52747624989147).

121000211111013 is a wasteful number, since it uses less digits than its factorization.

121000211111013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70414708.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 121000211111013 its reverse (310111112000121), we get a palindrome (431111323111134).

The spelling of 121000211111013 in words is "one hundred twenty-one trillion, two hundred eleven million, one hundred eleven thousand, thirteen".