1001021102210 has 32 divisors (see below), whose sum is σ = 1803703734000. Its totient is φ = 399993984000.

The previous prime is 1001021102209. The next prime is 1001021102239. The reversal of 1001021102210 is 122011201001.

It can be written as a sum of positive squares in 8 ways, for example, as 758444166769 + 242576935441 = 870887^2 + 492521^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1001021102191 and 1001021102200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110617766 + ... + 110626814.

Almost surely, 2^{1001021102210} is an apocalyptic number.

1001021102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001021102210 is a deficient number, since it is larger than the sum of its proper divisors (802682631790).

1001021102210 is a wasteful number, since it uses less digits than its factorization.

1001021102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19286.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1001021102210 its reverse (122011201001), we get a palindrome (1123032303211).

The spelling of 1001021102210 in words is "one trillion, one billion, twenty-one million, one hundred two thousand, two hundred ten".