121001343104 has 16 divisors (see below), whose sum is σ = 241057363470. Its totient is φ = 60500671488.

The previous prime is 121001343101. The next prime is 121001343107. The reversal of 121001343104 is 401343100121.

It is an interprime number because it is at equal distance from previous prime (121001343101) and next prime (121001343107).

It can be written as a sum of positive squares in only one way, i.e., 120931453504 + 69889600 = 347752^2 + 8360^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (121001343101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472661369 + ... + 472661624.

Almost surely, 2^121001343104 is an apocalyptic number.

It is an amenable number.

121001343104 is a deficient number, since it is larger than the sum of its proper divisors (120056020366).

121001343104 is an frugal number, since it uses more digits than its factorization.

121001343104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945323007 (or 945322995 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121001343104 its reverse (401343100121), we get a palindrome (522344443225).

The spelling of 121001343104 in words is "one hundred twenty-one billion, one million, three hundred forty-three thousand, one hundred four".