1021412111311 has 8 divisors (see below), whose sum is σ = 1025985658464. Its totient is φ = 1016840186880.

The previous prime is 1021412111303. The next prime is 1021412111351. The reversal of 1021412111311 is 1131112141201.

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 1021412111311 - 2³ = 1021412111303 is a prime.

It is a super-2 number, since 2×1021412111311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021412111351) 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, 864910 + ... + 1670596.

It is an arithmetic number, because the mean of its divisors is an integer number (128248207308).

Almost surely, 2^{1021412111311} is an apocalyptic number.

1021412111311 is a deficient number, since it is larger than the sum of its proper divisors (4573547153).

1021412111311 is an equidigital number, since it uses as much as digits as its factorization.

1021412111311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811361.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 1021412111311 its reverse (1131112141201), we get a palindrome (2152524252512).

The spelling of 1021412111311 in words is "one trillion, twenty-one billion, four hundred twelve million, one hundred eleven thousand, three hundred eleven".