4242121544100 has 144 divisors (see below), whose sum is σ = 13390445456640. Its totient is φ = 1028334172800.

The previous prime is 4242121544053. The next prime is 4242121544159. The reversal of 4242121544100 is 14451212424.

It is a super-3 number, since 3×4242121544100³ (a number of 39 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93707271 + ... + 93752529.

It is an arithmetic number, because the mean of its divisors is an integer number (92989204560).

Almost surely, 2^{4242121544100} is an apocalyptic number.

It is an amenable number.

4242121544100 is an abundant number, since it is smaller than the sum of its proper divisors (9148323912540).

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

4242121544100 is a wasteful number, since it uses less digits than its factorization.

4242121544100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73690 (or 73683 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 4242121544100 its reverse (14451212424), we get a palindrome (4256572756524).

The spelling of 4242121544100 in words is "four trillion, two hundred forty-two billion, one hundred twenty-one million, five hundred forty-four thousand, one hundred".