2256201021077 has 32 divisors (see below), whose sum is σ = 2346455865600. Its totient is φ = 2167873044480.

The previous prime is 2256201021073. The next prime is 2256201021089. The reversal of 2256201021077 is 7701201026522.

It is a cyclic number.

It is not a de Polignac number, because 2256201021077 - 2² = 2256201021073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256201021073) 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 31 ways as a sum of consecutive naturals, for example, 840923378 + ... + 840926060.

It is an arithmetic number, because the mean of its divisors is an integer number (73326745800).

Almost surely, 2^{2256201021077} is an apocalyptic number.

It is an amenable number.

2256201021077 is a deficient number, since it is larger than the sum of its proper divisors (90254844523).

2256201021077 is a wasteful number, since it uses less digits than its factorization.

2256201021077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773.

The product of its (nonzero) digits is 23520, while the sum is 35.

Adding to 2256201021077 its reverse (7701201026522), we get a palindrome (9957402047599).

Subtracting 2256201021077 from its reverse (7701201026522), we obtain a palindrome (5445000005445).

The spelling of 2256201021077 in words is "two trillion, two hundred fifty-six billion, two hundred one million, twenty-one thousand, seventy-seven".