121111113012000 has 192 divisors, whose sum is σ = 396767950435584. Its totient is φ = 32295650150400.

The previous prime is 121111113011983. The next prime is 121111113012017. The reversal of 121111113012000 is 210311111121.

It is an interprime number because it is at equal distance from previous prime (121111113011983) and next prime (121111113012017).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 1082908084 + ... + 1083019916.

It is an arithmetic number, because the mean of its divisors is an integer number (2066499741852).

Almost surely, 2^{121111113012000} is an apocalyptic number.

121111113012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121111113012000 is an abundant number, since it is smaller than the sum of its proper divisors (275656837423584).

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

121111113012000 is a wasteful number, since it uses less digits than its factorization.

121111113012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202108 (or 202090 counting only the distinct ones).

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

Adding to 121111113012000 its reverse (210311111121), we get a palindrome (121321424123121).

It can be divided in two parts, 1211111 and 13012000, that added together give a triangular number (14223111 = T₅₃₃₃).

The spelling of 121111113012000 in words is "one hundred twenty-one trillion, one hundred eleven billion, one hundred thirteen million, twelve thousand".