1001130201000 has 192 divisors, whose sum is σ = 3475275832080. Its totient is φ = 259752614400.

The previous prime is 1001130200953. The next prime is 1001130201011. The reversal of 1001130201000 is 1020311001.

It can be written as a sum of positive squares in 8 ways, for example, as 79196090724 + 921934110276 = 281418^2 + 960174^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1170199 + ... + 1836198.

Almost surely, 2^{1001130201000} is an apocalyptic number.

1001130201000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001130201000 is an abundant number, since it is smaller than the sum of its proper divisors (2474145631080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001130201000 is a wasteful number, since it uses less digits than its factorization.

1001130201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006461 (or 3006444 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 1001130201000 its reverse (1020311001), we get a palindrome (1002150512001).

The spelling of 1001130201000 in words is "one trillion, one billion, one hundred thirty million, two hundred one thousand".