1010010220021 has 12 divisors (see below), whose sum is σ = 1158445070496. Its totient is φ = 878269754120.

The previous prime is 1010010220013. The next prime is 1010010220031. The reversal of 1010010220021 is 1200220100101.

It is not a de Polignac number, because 1010010220021 - 2³ = 1010010220013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010010220031) by changing a digit.

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, 181457911 + ... + 181463476.

It is an arithmetic number, because the mean of its divisors is an integer number (96537089208).

Almost surely, 2^{1010010220021} is an apocalyptic number.

1010010220021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1010010220021 is a deficient number, since it is larger than the sum of its proper divisors (148434850475).

1010010220021 is a wasteful number, since it uses less digits than its factorization.

1010010220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362921432 (or 362921421 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1010010220021 its reverse (1200220100101), we get a palindrome (2210230320122).

The spelling of 1010010220021 in words is "one trillion, ten billion, ten million, two hundred twenty thousand, twenty-one".