221161155022 has 8 divisors (see below), whose sum is σ = 335469168000. Its totient is φ = 109338099024.

The previous prime is 221161155011. The next prime is 221161155023. The reversal of 221161155022 is 220551161122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221161155023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621239022 + ... + 621239377.

It is an arithmetic number, because the mean of its divisors is an integer number (41933646000).

Almost surely, 2^221161155022 is an apocalyptic number.

221161155022 is a deficient number, since it is larger than the sum of its proper divisors (114308012978).

221161155022 is a wasteful number, since it uses less digits than its factorization.

221161155022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242478490.

The product of its (nonzero) digits is 2400, while the sum is 28.

The spelling of 221161155022 in words is "two hundred twenty-one billion, one hundred sixty-one million, one hundred fifty-five thousand, twenty-two".