221016252754 has 8 divisors (see below), whose sum is σ = 361662959088. Its totient is φ = 100461933060.

The previous prime is 221016252701. The next prime is 221016252827. The reversal of 221016252754 is 457252610122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5023096632 + ... + 5023096675.

It is an arithmetic number, because the mean of its divisors is an integer number (45207869886).

Almost surely, 2^221016252754 is an apocalyptic number.

221016252754 is a deficient number, since it is larger than the sum of its proper divisors (140646706334).

221016252754 is a wasteful number, since it uses less digits than its factorization.

221016252754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10046193320.

The product of its (nonzero) digits is 67200, while the sum is 37.

Adding to 221016252754 its reverse (457252610122), we get a palindrome (678268862876).

The spelling of 221016252754 in words is "two hundred twenty-one billion, sixteen million, two hundred fifty-two thousand, seven hundred fifty-four".