200151021 has 8 divisors (see below), whose sum is σ = 304992064. Its totient is φ = 114372000.

The previous prime is 200150989. The next prime is 200151023. The reversal of 200151021 is 120151002.

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

It is not a de Polignac number, because 200151021 - 2⁵ = 200150989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200150988 and 200151006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200151023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4765480 + ... + 4765521.

It is an arithmetic number, because the mean of its divisors is an integer number (38124008).

Almost surely, 2^200151021 is an apocalyptic number.

200151021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200151021 is a deficient number, since it is larger than the sum of its proper divisors (104841043).

200151021 is an equidigital number, since it uses as much as digits as its factorization.

200151021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9531011.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 200151021 is about 14147.4740148197. The cubic root of 200151021 is about 584.9507066362.

The spelling of 200151021 in words is "two hundred million, one hundred fifty-one thousand, twenty-one".