1001010221090 has 64 divisors (see below), whose sum is σ = 1984606081920. Its totient is φ = 360491005440.

The previous prime is 1001010221089. The next prime is 1001010221119. The reversal of 1001010221090 is 901220101001.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 26395022 + ... + 26432918.

It is an arithmetic number, because the mean of its divisors is an integer number (31009470030).

Almost surely, 2^{1001010221090} is an apocalyptic number.

1001010221090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001010221090 is a deficient number, since it is larger than the sum of its proper divisors (983595860830).

1001010221090 is a wasteful number, since it uses less digits than its factorization.

1001010221090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40227.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1001010221090 its reverse (901220101001), we get a palindrome (1902230322091).

The spelling of 1001010221090 in words is "one trillion, one billion, ten million, two hundred twenty-one thousand, ninety".