1002011123010 has 32 divisors (see below), whose sum is σ = 2487751755840. Its totient is φ = 257989070528.

The previous prime is 1002011122993. The next prime is 1002011123021. The reversal of 1002011123010 is 103211102001.

It is a super-2 number, since 2×1002011123010² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 575867592 + ... + 575869331.

It is an arithmetic number, because the mean of its divisors is an integer number (77742242370).

Almost surely, 2^{1002011123010} is an apocalyptic number.

1002011123010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002011123010 is an abundant number, since it is smaller than the sum of its proper divisors (1485740632830).

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

1002011123010 is a wasteful number, since it uses less digits than its factorization.

1002011123010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151736962.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1002011123010 its reverse (103211102001), we get a palindrome (1105222225011).

The spelling of 1002011123010 in words is "one trillion, two billion, eleven million, one hundred twenty-three thousand, ten".