1122111020111 has 8 divisors (see below), whose sum is σ = 1208669374464. Its totient is φ = 1038700242360.

The previous prime is 1122111020089. The next prime is 1122111020141. The reversal of 1122111020111 is 1110201112211.

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 1122111020111 - 2¹⁸ = 1122110757967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122111020141) 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, 786893411 + ... + 786894836.

It is an arithmetic number, because the mean of its divisors is an integer number (151083671808).

Almost surely, 2^{1122111020111} is an apocalyptic number.

1122111020111 is a deficient number, since it is larger than the sum of its proper divisors (86558354353).

1122111020111 is a wasteful number, since it uses less digits than its factorization.

1122111020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573788301.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1122111020111 its reverse (1110201112211), we get a palindrome (2232312132322).

The spelling of 1122111020111 in words is "one trillion, one hundred twenty-two billion, one hundred eleven million, twenty thousand, one hundred eleven".