1101211027255 has 4 divisors (see below), whose sum is σ = 1321453232712. Its totient is φ = 880968821800.

The previous prime is 1101211027229. The next prime is 1101211027307. The reversal of 1101211027255 is 5527201121011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1101211027255 - 2⁹ = 1101211026743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110121102721 + ... + 110121102730.

It is an arithmetic number, because the mean of its divisors is an integer number (330363308178).

Almost surely, 2^{1101211027255} is an apocalyptic number.

1101211027255 is a deficient number, since it is larger than the sum of its proper divisors (220242205457).

1101211027255 is an equidigital number, since it uses as much as digits as its factorization.

1101211027255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220242205456.

The product of its (nonzero) digits is 1400, while the sum is 28.

Adding to 1101211027255 its reverse (5527201121011), we get a palindrome (6628412148266).

The spelling of 1101211027255 in words is "one trillion, one hundred one billion, two hundred eleven million, twenty-seven thousand, two hundred fifty-five".