121100234144 has 24 divisors (see below), whose sum is σ = 240525970020. Its totient is φ = 60014273536.

The previous prime is 121100234117. The next prime is 121100234161. The reversal of 121100234144 is 441432001121.

121100234144 = T₄₆₂₄₀ + T₄₆₂₄₁ + ... + T₄₆₃₅₂.

It can be written as a sum of positive squares in 2 ways, for example, as 88839763600 + 32260470544 = 298060^2 + 179612^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16741439 + ... + 16748670.

Almost surely, 2^121100234144 is an apocalyptic number.

It is an amenable number.

121100234144 is a deficient number, since it is larger than the sum of its proper divisors (119425735876).

121100234144 is a wasteful number, since it uses less digits than its factorization.

121100234144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33490232 (or 33490224 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 121100234144 its reverse (441432001121), we get a palindrome (562532235265).

The spelling of 121100234144 in words is "one hundred twenty-one billion, one hundred million, two hundred thirty-four thousand, one hundred forty-four".