1000021000210 has 16 divisors (see below), whose sum is σ = 1802473588800. Its totient is φ = 399467113776.

The previous prime is 1000021000207. The next prime is 1000021000219. The reversal of 1000021000210 is 120001200001.

It is a super-2 number, since 2×1000021000210² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000021000193 and 1000021000202.

It is not an unprimeable number, because it can be changed into a prime (1000021000219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 67653030 + ... + 67667809.

It is an arithmetic number, because the mean of its divisors is an integer number (112654599300).

Almost surely, 2^{1000021000210} is an apocalyptic number.

1000021000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000021000210 is a deficient number, since it is larger than the sum of its proper divisors (802452588590).

1000021000210 is a wasteful number, since it uses less digits than its factorization.

1000021000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135321585.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 1000021000210 its reverse (120001200001), we get a palindrome (1120022200211).

The spelling of 1000021000210 in words is "one trillion, twenty-one million, two hundred ten", and thus it is an aban number.