1011122002111 has 8 divisors (see below), whose sum is σ = 1088911900944. Its totient is φ = 933333715200.

The previous prime is 1011122002073. The next prime is 1011122002133. The reversal of 1011122002111 is 1112002211101.

It is a happy number.

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 1011122002111 - 2⁹ = 1011122001599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011122002091 and 1011122002100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011122002141) 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, 1110336 + ... + 1804186.

It is an arithmetic number, because the mean of its divisors is an integer number (136113987618).

Almost surely, 2^{1011122002111} is an apocalyptic number.

1011122002111 is a deficient number, since it is larger than the sum of its proper divisors (77789898833).

1011122002111 is a wasteful number, since it uses less digits than its factorization.

1011122002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805961.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1011122002111 its reverse (1112002211101), we get a palindrome (2123124213212).

The spelling of 1011122002111 in words is "one trillion, eleven billion, one hundred twenty-two million, two thousand, one hundred eleven".