2266851202521 has 8 divisors (see below), whose sum is σ = 3028269554784. Its totient is φ = 1508333492640.

The previous prime is 2266851202489. The next prime is 2266851202523. The reversal of 2266851202521 is 1252021586622.

It is a happy number.

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

It is not a de Polignac number, because 2266851202521 - 2⁵ = 2266851202489 is a prime.

It is a super-2 number, since 2×2266851202521² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2266851202523) by changing a digit.

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, 725158771 + ... + 725161896.

It is an arithmetic number, because the mean of its divisors is an integer number (378533694348).

Almost surely, 2^{2266851202521} is an apocalyptic number.

It is an amenable number.

2266851202521 is a deficient number, since it is larger than the sum of its proper divisors (761418352263).

2266851202521 is a wasteful number, since it uses less digits than its factorization.

2266851202521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450321191.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 2266851202521 in words is "two trillion, two hundred sixty-six billion, eight hundred fifty-one million, two hundred two thousand, five hundred twenty-one".