1001100102210 has 48 divisors (see below), whose sum is σ = 2803080289464. Its totient is φ = 246424640256.

The previous prime is 1001100102199. The next prime is 1001100102217. The reversal of 1001100102210 is 122010011001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 802097568801 + 199002533409 = 895599^2 + 446097^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1001100102192 and 1001100102201.

It is not an unprimeable number, because it can be changed into a prime (1001100102217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 427819387 + ... + 427821726.

Almost surely, 2^{1001100102210} is an apocalyptic number.

1001100102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001100102210 is an abundant number, since it is smaller than the sum of its proper divisors (1801980187254).

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

1001100102210 is a wasteful number, since it uses less digits than its factorization.

1001100102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855641139 (or 855641136 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1001100102210 its reverse (122010011001), we get a palindrome (1123110113211).

The spelling of 1001100102210 in words is "one trillion, one billion, one hundred million, one hundred two thousand, two hundred ten".