1202011121 has 8 divisors (see below), whose sum is σ = 1230745824. Its totient is φ = 1173312000.

The previous prime is 1202011091. The next prime is 1202011147. The reversal of 1202011121 is 1211102021.

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 1202011121 - 2¹⁰ = 1202010097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202011621) 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, 67121 + ... + 83121.

It is an arithmetic number, because the mean of its divisors is an integer number (153843228).

Almost surely, 2^1202011121 is an apocalyptic number.

It is an amenable number.

1202011121 is a deficient number, since it is larger than the sum of its proper divisors (28734703).

1202011121 is a wasteful number, since it uses less digits than its factorization.

1202011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17791.

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

The square root of 1202011121 is about 34670.0320305592. The cubic root of 1202011121 is about 1063.2518864536.

Adding to 1202011121 its reverse (1211102021), we get a palindrome (2413113142).

The spelling of 1202011121 in words is "one billion, two hundred two million, eleven thousand, one hundred twenty-one".