1011222011101 has 8 divisors (see below), whose sum is σ = 1017095577120. Its totient is φ = 1005348771312.

The previous prime is 1011222011099. The next prime is 1011222011117. The reversal of 1011222011101 is 1011102221101.

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 1011222011101 - 2¹ = 1011222011099 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 (1011222011171) 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, 9170070 + ... + 9279688.

It is an arithmetic number, because the mean of its divisors is an integer number (127136947140).

Almost surely, 2^{1011222011101} is an apocalyptic number.

It is an amenable number.

1011222011101 is a deficient number, since it is larger than the sum of its proper divisors (5873566019).

1011222011101 is a wasteful number, since it uses less digits than its factorization.

1011222011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163115.

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

Adding to 1011222011101 its reverse (1011102221101), we get a palindrome (2022324232202).

The spelling of 1011222011101 in words is "one trillion, eleven billion, two hundred twenty-two million, eleven thousand, one hundred one".