1001002122010 has 32 divisors (see below), whose sum is σ = 1981848855744. Its totient is φ = 364000766800.

The previous prime is 1001002122007. The next prime is 1001002122049. The reversal of 1001002122010 is 102212001001.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 37590076 + ... + 37616695.

It is an arithmetic number, because the mean of its divisors is an integer number (61932776742).

Almost surely, 2^{1001002122010} is an apocalyptic number.

1001002122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001002122010 is a deficient number, since it is larger than the sum of its proper divisors (980846733734).

1001002122010 is an equidigital number, since it uses as much as digits as its factorization.

1001002122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75206811 (or 75206789 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1001002122010 its reverse (102212001001), we get a palindrome (1103214123011).

The spelling of 1001002122010 in words is "one trillion, one billion, two million, one hundred twenty-two thousand, ten".