1002011111210 has 8 divisors (see below), whose sum is σ = 1803620000196. Its totient is φ = 400804444480.

The previous prime is 1002011111197. The next prime is 1002011111221. The reversal of 1002011111210 is 121111102001.

It can be written as a sum of positive squares in 2 ways, for example, as 946980050641 + 55031060569 = 973129^2 + 234587^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1002011111191 and 1002011111200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50100555551 + ... + 50100555570.

Almost surely, 2^{1002011111210} is an apocalyptic number.

1002011111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002011111210 is a deficient number, since it is larger than the sum of its proper divisors (801608888986).

1002011111210 is a wasteful number, since it uses less digits than its factorization.

1002011111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100201111128.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1002011111210 its reverse (121111102001), we get a palindrome (1123122213211).

The spelling of 1002011111210 in words is "one trillion, two billion, eleven million, one hundred eleven thousand, two hundred ten".