221251154030 has 8 divisors (see below), whose sum is σ = 398252077272. Its totient is φ = 88500461608.

The previous prime is 221251154029. The next prime is 221251154041. The reversal of 221251154030 is 30451152122.

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

It is a congruent number.

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, 11062557692 + ... + 11062557711.

It is an arithmetic number, because the mean of its divisors is an integer number (49781509659).

Almost surely, 2^221251154030 is an apocalyptic number.

221251154030 is a deficient number, since it is larger than the sum of its proper divisors (177000923242).

221251154030 is a wasteful number, since it uses less digits than its factorization.

221251154030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22125115410.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 221251154030 in words is "two hundred twenty-one billion, two hundred fifty-one million, one hundred fifty-four thousand, thirty".