1120121101 has 8 divisors (see below), whose sum is σ = 1241983008. Its totient is φ = 1001598000.

The previous prime is 1120121099. The next prime is 1120121113. The reversal of 1120121101 is 1011210211.

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 1120121101 - 2¹ = 1120121099 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 (1120121131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833995 + ... + 835336.

It is an arithmetic number, because the mean of its divisors is an integer number (155247876).

Almost surely, 2^1120121101 is an apocalyptic number.

1120121101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1120121101 is a deficient number, since it is larger than the sum of its proper divisors (121861907).

1120121101 is a wasteful number, since it uses less digits than its factorization.

1120121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669403.

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

The square root of 1120121101 is about 33468.2103047056. The cubic root of 1120121101 is about 1038.5362485587.

Adding to 1120121101 its reverse (1011210211), we get a palindrome (2131331312).

It can be divided in two parts, 1120 and 121101, that added together give a palindrome (122221).

The spelling of 1120121101 in words is "one billion, one hundred twenty million, one hundred twenty-one thousand, one hundred one".