121012110112011 has 8 divisors (see below), whose sum is σ = 161460525908880. Its totient is φ = 80619217194912.

The previous prime is 121012110112007. The next prime is 121012110112043. The reversal of 121012110112011 is 110211011210121.

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

It is not a de Polignac number, because 121012110112011 - 2² = 121012110112007 is a prime.

It is a super-2 number, since 2×121012110112011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121012110112051) 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, 13880714856 + ... + 13880723573.

It is an arithmetic number, because the mean of its divisors is an integer number (20182565738610).

Almost surely, 2^{121012110112011} is an apocalyptic number.

121012110112011 is a deficient number, since it is larger than the sum of its proper divisors (40448415796869).

121012110112011 is a wasteful number, since it uses less digits than its factorization.

121012110112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27761439885.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 121012110112011 its reverse (110211011210121), we get a palindrome (231223121322132).

The spelling of 121012110112011 in words is "one hundred twenty-one trillion, twelve billion, one hundred ten million, one hundred twelve thousand, eleven".