1002120022211 has 16 divisors (see below), whose sum is σ = 1249435203840. Its totient is φ = 780848486880.

The previous prime is 1002120022103. The next prime is 1002120022229. The reversal of 1002120022211 is 1122200212001.

It is not a de Polignac number, because 1002120022211 - 2¹⁰ = 1002120021187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002120022291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2531045 + ... + 2900073.

It is an arithmetic number, because the mean of its divisors is an integer number (78089700240).

Almost surely, 2^{1002120022211} is an apocalyptic number.

1002120022211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1002120022211 is a deficient number, since it is larger than the sum of its proper divisors (247315181629).

1002120022211 is a wasteful number, since it uses less digits than its factorization.

1002120022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404314.

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

Adding to 1002120022211 its reverse (1122200212001), we get a palindrome (2124320234212).

The spelling of 1002120022211 in words is "one trillion, two billion, one hundred twenty million, twenty-two thousand, two hundred eleven".