1001121222002 has 8 divisors (see below), whose sum is σ = 1638198363312. Its totient is φ = 455055100900.

The previous prime is 1001121221987. The next prime is 1001121222037. The reversal of 1001121222002 is 2002221211001.

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

It is a super-2 number, since 2×1001121222002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22752755024 + ... + 22752755067.

It is an arithmetic number, because the mean of its divisors is an integer number (204774795414).

Almost surely, 2^{1001121222002} is an apocalyptic number.

1001121222002 is a deficient number, since it is larger than the sum of its proper divisors (637077141310).

1001121222002 is a wasteful number, since it uses less digits than its factorization.

1001121222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45505510104.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1001121222002 its reverse (2002221211001), we get a palindrome (3003342433003).

The spelling of 1001121222002 in words is "one trillion, one billion, one hundred twenty-one million, two hundred twenty-two thousand, two".