1021132553311 has 16 divisors (see below), whose sum is σ = 1164402679104. Its totient is φ = 887111622144.

The previous prime is 1021132553281. The next prime is 1021132553323. The reversal of 1021132553311 is 1133552311201.

It is a cyclic number.

It is not a de Polignac number, because 1021132553311 - 2⁷ = 1021132553183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021132553311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021132553341) 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 15 ways as a sum of consecutive naturals, for example, 14003101 + ... + 14075833.

It is an arithmetic number, because the mean of its divisors is an integer number (72775167444).

Almost surely, 2^{1021132553311} is an apocalyptic number.

1021132553311 is a deficient number, since it is larger than the sum of its proper divisors (143270125793).

1021132553311 is a wasteful number, since it uses less digits than its factorization.

1021132553311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136290.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 1021132553311 its reverse (1133552311201), we get a palindrome (2154684864512).

The spelling of 1021132553311 in words is "one trillion, twenty-one billion, one hundred thirty-two million, five hundred fifty-three thousand, three hundred eleven".