1001001200122 has 32 divisors (see below), whose sum is σ = 1872060430464. Its totient is φ = 389988345600.

The previous prime is 1001001200099. The next prime is 1001001200189. The reversal of 1001001200122 is 2210021001001.

It is a junction number, because it is equal to n+sod(n) for n = 1001001200099 and 1001001200108.

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, 6102622 + ... + 6264502.

It is an arithmetic number, because the mean of its divisors is an integer number (58501888452).

Almost surely, 2^{1001001200122} is an apocalyptic number.

1001001200122 is a deficient number, since it is larger than the sum of its proper divisors (871059230342).

1001001200122 is a wasteful number, since it uses less digits than its factorization.

1001001200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202054.

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

Adding to 1001001200122 its reverse (2210021001001), we get a palindrome (3211022201123).

The spelling of 1001001200122 in words is "one trillion, one billion, one million, two hundred thousand, one hundred twenty-two".