121105252151400 has 96 divisors (see below), whose sum is σ = 409555943661600. Its totient is φ = 29358849004800.

The previous prime is 121105252151293. The next prime is 121105252151417. The reversal of 121105252151400 is 4151252501121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9174633715 + ... + 9174646914.

It is an arithmetic number, because the mean of its divisors is an integer number (4266207746475).

Almost surely, 2^{121105252151400} is an apocalyptic number.

121105252151400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121105252151400 is an abundant number, since it is smaller than the sum of its proper divisors (288450691510200).

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

121105252151400 is a wasteful number, since it uses less digits than its factorization.

121105252151400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18349280659 (or 18349280650 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 30.

The spelling of 121105252151400 in words is "one hundred twenty-one trillion, one hundred five billion, two hundred fifty-two million, one hundred fifty-one thousand, four hundred".