1001101021210 has 8 divisors (see below), whose sum is σ = 1801981838196. Its totient is φ = 400440408480.

The previous prime is 1001101021183. The next prime is 1001101021213. The reversal of 1001101021210 is 121201011001.

It can be written as a sum of positive squares in 2 ways, for example, as 952679458809 + 48421562401 = 976053^2 + 220049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 100110102121 = 1001101021210 / (1 + 0 + 0 + 1 + 1 + 0 + 1 + 0 + 2 + 1 + 2 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (1001101021213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50055051051 + ... + 50055051070.

Almost surely, 2^{1001101021210} is an apocalyptic number.

1001101021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001101021210 is a deficient number, since it is larger than the sum of its proper divisors (800880816986).

1001101021210 is a wasteful number, since it uses less digits than its factorization.

1001101021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100110102128.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1001101021210 its reverse (121201011001), we get a palindrome (1122302032211).

The spelling of 1001101021210 in words is "one trillion, one billion, one hundred one million, twenty-one thousand, two hundred ten".