1000002121211 has 8 divisors (see below), whose sum is σ = 1002827368800. Its totient is φ = 997177095040.

The previous prime is 1000002121189. The next prime is 1000002121253. The reversal of 1000002121211 is 1121212000001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000002121211 is a prime.

It is a super-2 number, since 2×1000002121211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000002121192 and 1000002121201.

It is not an unprimeable number, because it can be changed into a prime (1000002121271) 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, 13997321 + ... + 14068581.

It is an arithmetic number, because the mean of its divisors is an integer number (125353421100).

Almost surely, 2^{1000002121211} is an apocalyptic number.

1000002121211 is a deficient number, since it is larger than the sum of its proper divisors (2825247589).

1000002121211 is an equidigital number, since it uses as much as digits as its factorization.

1000002121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110709.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1000002121211 its reverse (1121212000001), we get a palindrome (2121214121212).

The spelling of 1000002121211 in words is "one trillion, two million, one hundred twenty-one thousand, two hundred eleven".