1031112021401 has 64 divisors (see below), whose sum is σ = 1318159872000. Its totient is φ = 783323723520.

The previous prime is 1031112021371. The next prime is 1031112021439. The reversal of 1031112021401 is 1041202111301.

It is not a de Polignac number, because 1031112021401 - 2¹⁰ = 1031112020377 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 1031112021401.

It is not an unprimeable number, because it can be changed into a prime (1031112021601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 505693940 + ... + 505695978.

It is an arithmetic number, because the mean of its divisors is an integer number (20596248000).

Almost surely, 2^{1031112021401} is an apocalyptic number.

1031112021401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1031112021401 is a deficient number, since it is larger than the sum of its proper divisors (287047850599).

1031112021401 is a wasteful number, since it uses less digits than its factorization.

1031112021401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1031112021401 its reverse (1041202111301), we get a palindrome (2072314132702).

The spelling of 1031112021401 in words is "one trillion, thirty-one billion, one hundred twelve million, twenty-one thousand, four hundred one".