1000020222111 has 16 divisors (see below), whose sum is σ = 1403562839040. Its totient is φ = 631580160960.

The previous prime is 1000020222107. The next prime is 1000020222151. The reversal of 1000020222111 is 1112220200001.

It is not a de Polignac number, because 1000020222111 - 2² = 1000020222107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000020222151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3854866 + ... + 4106096.

It is an arithmetic number, because the mean of its divisors is an integer number (87722677440).

Almost surely, 2^{1000020222111} is an apocalyptic number.

1000020222111 is a deficient number, since it is larger than the sum of its proper divisors (403542616929).

1000020222111 is a wasteful number, since it uses less digits than its factorization.

1000020222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321086.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1000020222111 its reverse (1112220200001), we get a palindrome (2112240422112).

The spelling of 1000020222111 in words is "one trillion, twenty million, two hundred twenty-two thousand, one hundred eleven".