1011120101 has 8 divisors (see below), whose sum is σ = 1070886744.
Its totient is φ = 951385600.
The previous prime is 1011120049. The next prime is 1011120113. The reversal of 1011120101 is 1010211101.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 370524001 + 640596100 = 19249^2 + 25310^2
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 1011120101 - 218 = 1010857957 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 (1011180101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93491 + ... + 103743.
It is an arithmetic number, because the mean of its divisors is an integer number (133860843).
Almost surely, 21011120101 is an apocalyptic number.
It is an amenable number.
1011120101 is a deficient number, since it is larger than the sum of its proper divisors (59766643).
1011120101 is a wasteful number, since it uses less digits than its factorization.
1011120101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16071.
The product of its (nonzero) digits is 2, while the sum is 8.
The square root of 1011120101 is about 31798.1147397137.
The cubic root of 1011120101 is about 1003.6930449629.
Adding to 1011120101 its reverse (1010211101), we get a palindrome (2021331202).
The spelling of 1011120101 in words is "one billion, eleven million, one hundred twenty thousand, one hundred one".