121003130111 has 8 divisors (see below), whose sum is σ = 133691438304. Its totient is φ = 108933763840.

The previous prime is 121003130107. The next prime is 121003130147. The reversal of 121003130111 is 111031300121.

It is a happy number.

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 121003130111 - 2² = 121003130107 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 (121003130011) 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, 154735070 + ... + 154735851.

It is an arithmetic number, because the mean of its divisors is an integer number (16711429788).

Almost surely, 2^121003130111 is an apocalyptic number.

121003130111 is a deficient number, since it is larger than the sum of its proper divisors (12688308193).

121003130111 is a wasteful number, since it uses less digits than its factorization.

121003130111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309470961.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 121003130111 its reverse (111031300121), we get a palindrome (232034430232).

The spelling of 121003130111 in words is "one hundred twenty-one billion, three million, one hundred thirty thousand, one hundred eleven".