1001001002122 has 8 divisors (see below), whose sum is σ = 1638001639872. Its totient is φ = 455000455500.

The previous prime is 1001001002083. The next prime is 1001001002129. The reversal of 1001001002122 is 2212001001001.

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

It is a junction number, because it is equal to n+sod(n) for n = 1001001002099 and 1001001002108.

It is not an unprimeable number, because it can be changed into a prime (1001001002129) 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, 22750022754 + ... + 22750022797.

It is an arithmetic number, because the mean of its divisors is an integer number (204750204984).

Almost surely, 2^{1001001002122} is an apocalyptic number.

1001001002122 is a deficient number, since it is larger than the sum of its proper divisors (637000637750).

1001001002122 is a wasteful number, since it uses less digits than its factorization.

1001001002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45500045564.

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

Adding to 1001001002122 its reverse (2212001001001), we get a palindrome (3213002003123).

The spelling of 1001001002122 in words is "one trillion, one billion, one million, two thousand, one hundred twenty-two".