221101552142235 has 24 divisors (see below), whose sum is σ = 383316263965440. Its totient is φ = 117898189782912.

The previous prime is 221101552142147. The next prime is 221101552142243. The reversal of 221101552142235 is 532241255101122.

221101552142235 is a `hidden beast` number, since 2 + 2 + 1 + 101 + 5 + 521 + 4 + 2 + 23 + 5 = 666.

It is not a de Polignac number, because 221101552142235 - 2¹⁵ = 221101552109467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221101552142235.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 471388539 + ... + 471857348.

It is an arithmetic number, because the mean of its divisors is an integer number (15971510998560).

Almost surely, 2^{221101552142235} is an apocalyptic number.

221101552142235 is a deficient number, since it is larger than the sum of its proper divisors (162214711823205).

221101552142235 is a wasteful number, since it uses less digits than its factorization.

221101552142235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943251107 (or 943251104 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 221101552142235 in words is "two hundred twenty-one trillion, one hundred one billion, five hundred fifty-two million, one hundred forty-two thousand, two hundred thirty-five".