1000021202210 has 64 divisors (see below), whose sum is σ = 1853892466272. Its totient is φ = 388208910336.

The previous prime is 1000021202197. The next prime is 1000021202227. The reversal of 1000021202210 is 122021200001.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 8222318329 + 991798883881 = 90677^2 + 995891^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1000021202191 and 1000021202200.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 127338644 + ... + 127346496.

Almost surely, 2^{1000021202210} is an apocalyptic number.

1000021202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000021202210 is a deficient number, since it is larger than the sum of its proper divisors (853871264062).

1000021202210 is a wasteful number, since it uses less digits than its factorization.

1000021202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10487.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1000021202210 its reverse (122021200001), we get a palindrome (1122042402211).

The spelling of 1000021202210 in words is "one trillion, twenty-one million, two hundred two thousand, two hundred ten".