2756393022121 has 32 divisors (see below), whose sum is σ = 2822788310400. Its totient is φ = 2691096844800.

The previous prime is 2756393022091. The next prime is 2756393022137. The reversal of 2756393022121 is 1212203936572.

It is a cyclic number.

It is not a de Polignac number, because 2756393022121 - 2²⁷ = 2756258804393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2756393022151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2704997550 + ... + 2704998568.

It is an arithmetic number, because the mean of its divisors is an integer number (88212134700).

Almost surely, 2^{2756393022121} is an apocalyptic number.

It is an amenable number.

2756393022121 is a deficient number, since it is larger than the sum of its proper divisors (66395288279).

2756393022121 is a wasteful number, since it uses less digits than its factorization.

2756393022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409.

The product of its (nonzero) digits is 272160, while the sum is 43.

Adding to 2756393022121 its reverse (1212203936572), we get a palindrome (3968596958693).

The spelling of 2756393022121 in words is "two trillion, seven hundred fifty-six billion, three hundred ninety-three million, twenty-two thousand, one hundred twenty-one".