1011022001111 has 8 divisors (see below), whose sum is σ = 1064259638400. Its totient is φ = 957786959160.

The previous prime is 1011022001081. The next prime is 1011022001137. The reversal of 1011022001111 is 1111002201101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011022001111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011022001092 and 1011022001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011022001141) 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, 177800 + ... + 1433058.

It is an arithmetic number, because the mean of its divisors is an integer number (133032454800).

Almost surely, 2^{1011022001111} is an apocalyptic number.

1011022001111 is a deficient number, since it is larger than the sum of its proper divisors (53237637289).

1011022001111 is a wasteful number, since it uses less digits than its factorization.

1011022001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297669.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1011022001111 its reverse (1111002201101), we get a palindrome (2122024202212).

The spelling of 1011022001111 in words is "one trillion, eleven billion, twenty-two million, one thousand, one hundred eleven".