221525041627142 has 16 divisors (see below), whose sum is σ = 381574234382400. Its totient is φ = 95393558595240.

The previous prime is 221525041627093. The next prime is 221525041627181. The reversal of 221525041627142 is 241726140525122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 221525041627093 and 221525041627102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264982106792 + ... + 264982107627.

It is an arithmetic number, because the mean of its divisors is an integer number (23848389648900).

Almost surely, 2^{221525041627142} is an apocalyptic number.

221525041627142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221525041627142 is a deficient number, since it is larger than the sum of its proper divisors (160049192755258).

221525041627142 is a wasteful number, since it uses less digits than its factorization.

221525041627142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529964214451.

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 221525041627142 in words is "two hundred twenty-one trillion, five hundred twenty-five billion, forty-one million, six hundred twenty-seven thousand, one hundred forty-two".