1001101020210 has 48 divisors (see below), whose sum is σ = 2673210300696. Its totient is φ = 259745128704.

The previous prime is 1001101020209. The next prime is 1001101020281. The reversal of 1001101020210 is 120201011001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 722579902209 + 278521118001 = 850047^2 + 527751^2 .

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 = 1001101020192 and 1001101020201.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 150312139 + ... + 150318798.

Almost surely, 2^{1001101020210} is an apocalyptic number.

1001101020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001101020210 is an abundant number, since it is smaller than the sum of its proper divisors (1672109280486).

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

1001101020210 is a wasteful number, since it uses less digits than its factorization.

1001101020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300630987 (or 300630984 counting only the distinct ones).

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

Adding to 1001101020210 its reverse (120201011001), we get a palindrome (1121302031211).

The spelling of 1001101020210 in words is "one trillion, one billion, one hundred one million, twenty thousand, two hundred ten".