1011200022111 has 8 divisors (see below), whose sum is σ = 1348271345584. Its totient is φ = 674131023360.

The previous prime is 1011200022059. The next prime is 1011200022137. The reversal of 1011200022111 is 1112200021101.

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

It is not a de Polignac number, because 1011200022111 - 2¹³ = 1011200013919 is a prime.

It is a super-3 number, since 3×1011200022111³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011200020111) 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, 1360191 + ... + 1967871.

It is an arithmetic number, because the mean of its divisors is an integer number (168533918198).

Almost surely, 2^{1011200022111} is an apocalyptic number.

1011200022111 is a deficient number, since it is larger than the sum of its proper divisors (337071323473).

1011200022111 is an equidigital number, since it uses as much as digits as its factorization.

1011200022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162361.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1011200022111 its reverse (1112200021101), we get a palindrome (2123400043212).

The spelling of 1011200022111 in words is "one trillion, eleven billion, two hundred million, twenty-two thousand, one hundred eleven".