2221011020111 has 8 divisors (see below), whose sum is σ = 2420675589360. Its totient is φ = 2025463246272.

The previous prime is 2221011020023. The next prime is 2221011020117. The reversal of 2221011020111 is 1110201101222.

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

It is a cyclic number.

It is not a de Polignac number, because 2221011020111 - 2¹⁴ = 2221011003727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221011020117) 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 7 ways as a sum of consecutive naturals, for example, 1029197726 + ... + 1029199883.

It is an arithmetic number, because the mean of its divisors is an integer number (302584448670).

Almost surely, 2^{2221011020111} is an apocalyptic number.

2221011020111 is a deficient number, since it is larger than the sum of its proper divisors (199664569249).

2221011020111 is a wasteful number, since it uses less digits than its factorization.

2221011020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058397705.

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

Adding to 2221011020111 its reverse (1110201101222), we get a palindrome (3331212121333).

The spelling of 2221011020111 in words is "two trillion, two hundred twenty-one billion, eleven million, twenty thousand, one hundred eleven".