210078628201 has 8 divisors (see below), whose sum is σ = 226450173320. Its totient is φ = 193737318912.

The previous prime is 210078628189. The next prime is 210078628213. The reversal of 210078628201 is 102826870012.

It is an interprime number because it is at equal distance from previous prime (210078628189) and next prime (210078628213).

It can be written as a sum of positive squares in 4 ways, for example, as 61082628201 + 148996000000 = 247149^2 + 386000^2 .

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 210078628201 - 2⁵ = 210078628169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210078628261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7544520 + ... + 7572313.

It is an arithmetic number, because the mean of its divisors is an integer number (28306271665).

Almost surely, 2^210078628201 is an apocalyptic number.

It is an amenable number.

210078628201 is a deficient number, since it is larger than the sum of its proper divisors (16371545119).

210078628201 is a wasteful number, since it uses less digits than its factorization.

210078628201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15117915.

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 210078628201 in words is "two hundred ten billion, seventy-eight million, six hundred twenty-eight thousand, two hundred one".