1002120121211 has 8 divisors (see below), whose sum is σ = 1094411539200. Its totient is φ = 910026968040.

The previous prime is 1002120121169. The next prime is 1002120121231. The reversal of 1002120121211 is 1121210212001.

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

It is a cyclic number.

It is not a de Polignac number, because 1002120121211 - 2⁶ = 1002120121147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002120121231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49555631 + ... + 49575848.

It is an arithmetic number, because the mean of its divisors is an integer number (136801442400).

Almost surely, 2^{1002120121211} is an apocalyptic number.

1002120121211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1002120121211 is a deficient number, since it is larger than the sum of its proper divisors (92291417989).

1002120121211 is an equidigital number, since it uses as much as digits as its factorization.

1002120121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99132409.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1002120121211 its reverse (1121210212001), we get a palindrome (2123330333212).

The spelling of 1002120121211 in words is "one trillion, two billion, one hundred twenty million, one hundred twenty-one thousand, two hundred eleven".