36901200221 has 4 divisors (see below), whose sum is σ = 37759367712. Its totient is φ = 36043032732.

The previous prime is 36901200197. The next prime is 36901200239. The reversal of 36901200221 is 12200210963.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36901200221 - 2¹⁸ = 36900938077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36901200251) 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, 429083681 + ... + 429083766.

It is an arithmetic number, because the mean of its divisors is an integer number (9439841928).

Almost surely, 2^36901200221 is an apocalyptic number.

It is an amenable number.

36901200221 is a deficient number, since it is larger than the sum of its proper divisors (858167491).

36901200221 is an equidigital number, since it uses as much as digits as its factorization.

36901200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858167490.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 36901200221 in words is "thirty-six billion, nine hundred one million, two hundred thousand, two hundred twenty-one".