1321200102211 has 8 divisors (see below), whose sum is σ = 1443739747824. Its totient is φ = 1199065547520.

The previous prime is 1321200102191. The next prime is 1321200102251. The reversal of 1321200102211 is 1122010021231.

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 1321200102211 - 2⁷ = 1321200102083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1321200102251) 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, 101265906 + ... + 101278951.

It is an arithmetic number, because the mean of its divisors is an integer number (180467468478).

Almost surely, 2^{1321200102211} is an apocalyptic number.

1321200102211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1321200102211 is a deficient number, since it is larger than the sum of its proper divisors (122539645613).

1321200102211 is a wasteful number, since it uses less digits than its factorization.

1321200102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202545461.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1321200102211 its reverse (1122010021231), we get a palindrome (2443210123442).

The spelling of 1321200102211 in words is "one trillion, three hundred twenty-one billion, two hundred million, one hundred two thousand, two hundred eleven".