1011200222101 has 8 divisors (see below), whose sum is σ = 1026713674584. Its totient is φ = 995731672320.

The previous prime is 1011200222089. The next prime is 1011200222107. The reversal of 1011200222101 is 1012220021101.

It can be written as a sum of positive squares in 4 ways, for example, as 22420570225 + 988779651876 = 149735^2 + 994374^2 .

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 1011200222101 - 2²⁹ = 1010663351189 is a prime.

It is a super-2 number, since 2×1011200222101² (a number of 25 digits) contains 22 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 (1011200222107) 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, 11180290 + ... + 11270371.

It is an arithmetic number, because the mean of its divisors is an integer number (128339209323).

Almost surely, 2^{1011200222101} is an apocalyptic number.

It is an amenable number.

1011200222101 is a deficient number, since it is larger than the sum of its proper divisors (15513452483).

1011200222101 is an equidigital number, since it uses as much as digits as its factorization.

1011200222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22451351.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1011200222101 its reverse (1012220021101), we get a palindrome (2023420243202).

The spelling of 1011200222101 in words is "one trillion, eleven billion, two hundred million, two hundred twenty-two thousand, one hundred one".