1200102211 has 32 divisors (see below), whose sum is σ = 1570710528. Its totient is φ = 889088640.

The previous prime is 1200102203. The next prime is 1200102221. The reversal of 1200102211 is 1122010021.

It is not a de Polignac number, because 1200102211 - 2³ = 1200102203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200102221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304425 + ... + 308341.

It is an arithmetic number, because the mean of its divisors is an integer number (49084704).

Almost surely, 2^1200102211 is an apocalyptic number.

1200102211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1200102211 is a deficient number, since it is larger than the sum of its proper divisors (370608317).

1200102211 is a wasteful number, since it uses less digits than its factorization.

1200102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131.

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

The square root of 1200102211 is about 34642.4914086733. The cubic root of 1200102211 is about 1062.6887392691.

Adding to 1200102211 its reverse (1122010021), we get a palindrome (2322112232).

It can be divided in two parts, 120010 and 2211, that added together give a palindrome (122221).

The spelling of 1200102211 in words is "one billion, two hundred million, one hundred two thousand, two hundred eleven".