121011000001112 has 128 divisors (see below), whose sum is σ = 246539970432000. Its totient is φ = 55352913408000.

The previous prime is 121011000000973. The next prime is 121011000001211. The reversal of 121011000001112 is 211100000110121.

It is a junction number, because it is equal to n+sod(n) for n = 121011000001093 and 121011000001102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9019222628 + ... + 9019236044.

It is an arithmetic number, because the mean of its divisors is an integer number (1926093519000).

Almost surely, 2^{121011000001112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121011000001112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123269985216000).

121011000001112 is an abundant number, since it is smaller than the sum of its proper divisors (125528970430888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121011000001112 is a wasteful number, since it uses less digits than its factorization.

121011000001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15277 (or 15273 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 121011000001112 its reverse (211100000110121), we get a palindrome (332111000111233).

The spelling of 121011000001112 in words is "one hundred twenty-one trillion, eleven billion, one thousand, one hundred twelve".