1000202212111 has 4 divisors (see below), whose sum is σ = 1003615871832. Its totient is φ = 996788552392.

The previous prime is 1000202212043. The next prime is 1000202212117. The reversal of 1000202212111 is 1112122020001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1000202212111 - 2²¹ = 1000200114959 is a prime.

It is a super-2 number, since 2×1000202212111² (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 = 1000202212091 and 1000202212100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000202212117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1706829421 + ... + 1706830006.

It is an arithmetic number, because the mean of its divisors is an integer number (250903967958).

Almost surely, 2^{1000202212111} is an apocalyptic number.

1000202212111 is a deficient number, since it is larger than the sum of its proper divisors (3413659721).

1000202212111 is an equidigital number, since it uses as much as digits as its factorization.

1000202212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413659720.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1000202212111 its reverse (1112122020001), we get a palindrome (2112324232112).

The spelling of 1000202212111 in words is "one trillion, two hundred two million, two hundred twelve thousand, one hundred eleven".