1120202121 has 8 divisors (see below), whose sum is σ = 1533970624. Its totient is φ = 726617520.

The previous prime is 1120202101. The next prime is 1120202137. The reversal of 1120202121 is 1212020211.

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

It is not a de Polignac number, because 1120202121 - 2²¹ = 1118104969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120202097 and 1120202106.

It is not an unprimeable number, because it can be changed into a prime (1120202101) 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, 5045845 + ... + 5046066.

It is an arithmetic number, because the mean of its divisors is an integer number (191746328).

Almost surely, 2^1120202121 is an apocalyptic number.

It is an amenable number.

1120202121 is a deficient number, since it is larger than the sum of its proper divisors (413768503).

1120202121 is a wasteful number, since it uses less digits than its factorization.

1120202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10091951.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1120202121 is about 33469.4206851568. The cubic root of 1120202121 is about 1038.5612875710.

Adding to 1120202121 its reverse (1212020211), we get a palindrome (2332222332).

The spelling of 1120202121 in words is "one billion, one hundred twenty million, two hundred two thousand, one hundred twenty-one".