1021132255413 has 8 divisors (see below), whose sum is σ = 1361555608608. Its totient is φ = 680731869584.

The previous prime is 1021132255411. The next prime is 1021132255457. The reversal of 1021132255413 is 3145522311201.

It is a happy number.

1021132255413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1021132255413 - 2¹ = 1021132255411 is a prime.

It is a super-2 number, since 2×1021132255413² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021132255411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5637831 + ... + 5816132.

It is an arithmetic number, because the mean of its divisors is an integer number (170194451076).

Almost surely, 2^{1021132255413} is an apocalyptic number.

It is an amenable number.

1021132255413 is a deficient number, since it is larger than the sum of its proper divisors (340423353195).

1021132255413 is a wasteful number, since it uses less digits than its factorization.

1021132255413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11483683.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1021132255413 its reverse (3145522311201), we get a palindrome (4166654566614).

The spelling of 1021132255413 in words is "one trillion, twenty-one billion, one hundred thirty-two million, two hundred fifty-five thousand, four hundred thirteen".