1121202101 has 8 divisors (see below), whose sum is σ = 1136584704. Its totient is φ = 1105922160.

The previous prime is 1121202073. The next prime is 1121202151. The reversal of 1121202101 is 1012021211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121202101 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 (1121202151) 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, 3545 + ... + 47486.

It is an arithmetic number, because the mean of its divisors is an integer number (142073088).

Almost surely, 2^1121202101 is an apocalyptic number.

It is an amenable number.

1121202101 is a deficient number, since it is larger than the sum of its proper divisors (15382603).

1121202101 is a wasteful number, since it uses less digits than its factorization.

1121202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51331.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1121202101 is about 33484.3560636904. The cubic root of 1121202101 is about 1038.8702293303.

Adding to 1121202101 its reverse (1012021211), we get a palindrome (2133223312).

The spelling of 1121202101 in words is "one billion, one hundred twenty-one million, two hundred two thousand, one hundred one".