121020111123000 has 128 divisors (see below), whose sum is σ = 377586627762240. Its totient is φ = 32271697920000.

The previous prime is 121020111122983. The next prime is 121020111123017. The reversal of 121020111123000 is 321111020121.

It is an interprime number because it is at equal distance from previous prime (121020111122983) and next prime (121020111123017).

It is a super-3 number, since 3×121020111123000³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 467633640 + ... + 467892360.

Almost surely, 2^{121020111123000} is an apocalyptic number.

121020111123000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121020111123000 is an abundant number, since it is smaller than the sum of its proper divisors (256566516639240).

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

121020111123000 is a wasteful number, since it uses less digits than its factorization.

121020111123000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414666 (or 414652 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 121020111123000 its reverse (321111020121), we get a palindrome (121341222143121).

The spelling of 121020111123000 in words is "one hundred twenty-one trillion, twenty billion, one hundred eleven million, one hundred twenty-three thousand".