1311102060621 has 32 divisors (see below), whose sum is σ = 1769130236160. Its totient is φ = 863609280000.

The previous prime is 1311102060613. The next prime is 1311102060707. The reversal of 1311102060621 is 1260602011131.

It is a happy number.

It is not a de Polignac number, because 1311102060621 - 2³ = 1311102060613 is a prime.

It is a super-2 number, since 2×1311102060621² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311102060591 and 1311102060600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311102060601) 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, 483265161 + ... + 483267873.

It is an arithmetic number, because the mean of its divisors is an integer number (55285319880).

Almost surely, 2^{1311102060621} is an apocalyptic number.

It is an amenable number.

1311102060621 is a deficient number, since it is larger than the sum of its proper divisors (458028175539).

1311102060621 is a wasteful number, since it uses less digits than its factorization.

1311102060621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 1311102060621 its reverse (1260602011131), we get a palindrome (2571704071752).

The spelling of 1311102060621 in words is "one trillion, three hundred eleven billion, one hundred two million, sixty thousand, six hundred twenty-one".