1001130221012 has 24 divisors (see below), whose sum is σ = 1758354780000. Its totient is φ = 498746418336.

The previous prime is 1001130220991. The next prime is 1001130221023. The reversal of 1001130221012 is 2101220311001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814439 + ... + 1632657.

It is an arithmetic number, because the mean of its divisors is an integer number (73264782500).

Almost surely, 2^{1001130221012} is an apocalyptic number.

It is an amenable number.

1001130221012 is a deficient number, since it is larger than the sum of its proper divisors (757224558988).

1001130221012 is a wasteful number, since it uses less digits than its factorization.

1001130221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819335 (or 819333 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1001130221012 its reverse (2101220311001), we get a palindrome (3102350532013).

The spelling of 1001130221012 in words is "one trillion, one billion, one hundred thirty million, two hundred twenty-one thousand, twelve".