1031021203112 has 16 divisors (see below), whose sum is σ = 2034910269600. Its totient is φ = 488378464560.

The previous prime is 1031021203087. The next prime is 1031021203123. The reversal of 1031021203112 is 2113021201301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3391516964 + ... + 3391517267.

It is an arithmetic number, because the mean of its divisors is an integer number (127181891850).

Almost surely, 2^{1031021203112} is an apocalyptic number.

It is an amenable number.

1031021203112 is a deficient number, since it is larger than the sum of its proper divisors (1003889066488).

1031021203112 is a wasteful number, since it uses less digits than its factorization.

1031021203112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6783034256 (or 6783034252 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1031021203112 its reverse (2113021201301), we get a palindrome (3144042404413).

The spelling of 1031021203112 in words is "one trillion, thirty-one billion, twenty-one million, two hundred three thousand, one hundred twelve".