1000021010094 has 24 divisors (see below), whose sum is σ = 2167431904872. Its totient is φ = 333229611120.

The previous prime is 1000021010017. The next prime is 1000021010147. The reversal of 1000021010094 is 4900101200001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9171429 + ... + 9279824.

It is an arithmetic number, because the mean of its divisors is an integer number (90309662703).

Almost surely, 2^{1000021010094} is an apocalyptic number.

1000021010094 is an abundant number, since it is smaller than the sum of its proper divisors (1167410894778).

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

1000021010094 is a wasteful number, since it uses less digits than its factorization.

1000021010094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18454272 (or 18454269 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1000021010094 its reverse (4900101200001), we get a palindrome (5900122210095).

The spelling of 1000021010094 in words is "one trillion, twenty-one million, ten thousand, ninety-four".