1010010001000 has 1536 divisors, whose sum is σ = 3501000921600. Its totient is φ = 267079680000.

The previous prime is 1010010000973. The next prime is 1010010001027. The reversal of 1010010001000 is 1000100101.

It is an interprime number because it is at equal distance from previous prime (1010010000973) and next prime (1010010001027).

It is a Harshad number since it is a multiple of its sum of digits (4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 7266258931 + ... + 7266259069.

It is an arithmetic number, because the mean of its divisors is an integer number (2279297475).

Almost surely, 2^{1010010001000} is an apocalyptic number.

1010010001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1010010001000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1750500460800).

1010010001000 is an abundant number, since it is smaller than the sum of its proper divisors (2490990920600).

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

1010010001000 is a wasteful number, since it uses less digits than its factorization.

1010010001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 4.

Adding to 1010010001000 its reverse (1000100101), we get a palindrome (1011010101101).

The spelling of 1010010001000 in words is "one trillion, ten billion, ten million, one thousand".