1121012101 has 8 divisors (see below), whose sum is σ = 1223164800. Its totient is φ = 1018899840.

The previous prime is 1121012099. The next prime is 1121012131. The reversal of 1121012101 is 1012101211.

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 1121012101 - 2¹ = 1121012099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121012131) 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, 101205 + ... + 111733.

It is an arithmetic number, because the mean of its divisors is an integer number (152895600).

Almost surely, 2^1121012101 is an apocalyptic number.

1121012101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121012101 is a deficient number, since it is larger than the sum of its proper divisors (102152699).

1121012101 is a wasteful number, since it uses less digits than its factorization.

1121012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20219.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1121012101 is about 33481.5187976890. The cubic root of 1121012101 is about 1038.8115433616.

Adding to 1121012101 its reverse (1012101211), we get a palindrome (2133113312).

It can be divided in two parts, 112101210 and 1, that added together give a palindrome (112101211).

The spelling of 1121012101 in words is "one billion, one hundred twenty-one million, twelve thousand, one hundred one".