1002111221210 has 16 divisors (see below), whose sum is σ = 1967782034592. Its totient is φ = 364404080400.

The previous prime is 1002111221119. The next prime is 1002111221273. The reversal of 1002111221210 is 121221112001.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4555050896 + ... + 4555051115.

It is an arithmetic number, because the mean of its divisors is an integer number (122986377162).

Almost surely, 2^{1002111221210} is an apocalyptic number.

1002111221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002111221210 is a deficient number, since it is larger than the sum of its proper divisors (965670813382).

1002111221210 is a wasteful number, since it uses less digits than its factorization.

1002111221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9110102029.

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

Adding to 1002111221210 its reverse (121221112001), we get a palindrome (1123332333211).

The spelling of 1002111221210 in words is "one trillion, two billion, one hundred eleven million, two hundred twenty-one thousand, two hundred ten".