100551042433200 has 240 divisors, whose sum is σ = 324815853756416. Its totient is φ = 26587636992000.

The previous prime is 100551042433199. The next prime is 100551042433229. The reversal of 100551042433200 is 2334240155001.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×100551042433200² (a number of 29 digits) contains 22 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, 274289229 + ... + 274655571.

Almost surely, 2^{100551042433200} is an apocalyptic number.

100551042433200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100551042433200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162407926878208).

100551042433200 is an abundant number, since it is smaller than the sum of its proper divisors (224264811323216).

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

100551042433200 is a wasteful number, since it uses less digits than its factorization.

100551042433200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368292 (or 368281 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 100551042433200 its reverse (2334240155001), we get a palindrome (102885282588201).

The spelling of 100551042433200 in words is "one hundred trillion, five hundred fifty-one billion, forty-two million, four hundred thirty-three thousand, two hundred".