354221012155 has 8 divisors (see below), whose sum is σ = 425093486832. Its totient is φ = 283357961568.

The previous prime is 354221012107. The next prime is 354221012177. The reversal of 354221012155 is 551210122453.

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

It is a cyclic number.

It is not a de Polignac number, because 354221012155 - 2¹³ = 354221003963 is a prime.

It is a super-3 number, since 3×354221012155³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 2273064 + ... + 2423893.

It is an arithmetic number, because the mean of its divisors is an integer number (53136685854).

Almost surely, 2^354221012155 is an apocalyptic number.

354221012155 is a deficient number, since it is larger than the sum of its proper divisors (70872474677).

354221012155 is a wasteful number, since it uses less digits than its factorization.

354221012155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712045.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 354221012155 in words is "three hundred fifty-four billion, two hundred twenty-one million, twelve thousand, one hundred fifty-five".