221412553026140 has 96 divisors (see below), whose sum is σ = 538887316552704. Its totient is φ = 74841899166720.

The previous prime is 221412553026031. The next prime is 221412553026163. The reversal of 221412553026140 is 41620355214122.

It is a junction number, because it is equal to n+sod(n) for n = 221412553026094 and 221412553026103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 457266404 + ... + 457750356.

It is an arithmetic number, because the mean of its divisors is an integer number (5613409547424).

Almost surely, 2^{221412553026140} is an apocalyptic number.

221412553026140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221412553026140 is an abundant number, since it is smaller than the sum of its proper divisors (317474763526564).

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

221412553026140 is a wasteful number, since it uses less digits than its factorization.

221412553026140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530067 (or 530065 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 221412553026140 in words is "two hundred twenty-one trillion, four hundred twelve billion, five hundred fifty-three million, twenty-six thousand, one hundred forty".