100345120221340 has 48 divisors (see below), whose sum is σ = 210833383783680. Its totient is φ = 40117359434240.

The previous prime is 100345120221337. The next prime is 100345120221341. The reversal of 100345120221340 is 43122021543001.

It is a junction number, because it is equal to n+sod(n) for n = 100345120221299 and 100345120221308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100345120221341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575183925 + ... + 575358355.

It is an arithmetic number, because the mean of its divisors is an integer number (4392362162160).

Almost surely, 2^{100345120221340} is an apocalyptic number.

100345120221340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100345120221340 is an abundant number, since it is smaller than the sum of its proper divisors (110488263562340).

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

100345120221340 is a wasteful number, since it uses less digits than its factorization.

100345120221340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189102 (or 189100 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 100345120221340 its reverse (43122021543001), we get a palindrome (143467141764341).

The spelling of 100345120221340 in words is "one hundred trillion, three hundred forty-five billion, one hundred twenty million, two hundred twenty-one thousand, three hundred forty".