1011021001010 has 32 divisors (see below), whose sum is σ = 1845020332800. Its totient is φ = 398824208640.

The previous prime is 1011021000893. The next prime is 1011021001019. The reversal of 1011021001010 is 101001201101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1011021001019) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 66311 + ... + 1423530.

It is an arithmetic number, because the mean of its divisors is an integer number (57656885400).

Almost surely, 2^{1011021001010} is an apocalyptic number.

1011021001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011021001010 is a deficient number, since it is larger than the sum of its proper divisors (833999331790).

1011021001010 is a wasteful number, since it uses less digits than its factorization.

1011021001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490786.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1011021001010 its reverse (101001201101), we get a palindrome (1112022202111).

The spelling of 1011021001010 in words is "one trillion, eleven billion, twenty-one million, one thousand, ten".