1201011120121 has 8 divisors (see below), whose sum is σ = 1208226946304. Its totient is φ = 1193815765440.

The previous prime is 1201011120119. The next prime is 1201011120137. The reversal of 1201011120121 is 1210211101021.

It is a happy number.

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 1201011120121 - 2¹ = 1201011120119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201011120161) 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, 5000181 + ... + 5234866.

It is an arithmetic number, because the mean of its divisors is an integer number (151028368288).

Almost surely, 2^{1201011120121} is an apocalyptic number.

It is an amenable number.

1201011120121 is a deficient number, since it is larger than the sum of its proper divisors (7215826183).

1201011120121 is a wasteful number, since it uses less digits than its factorization.

1201011120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10235751.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1201011120121 its reverse (1210211101021), we get a palindrome (2411222221142).

The spelling of 1201011120121 in words is "one trillion, two hundred one billion, eleven million, one hundred twenty thousand, one hundred twenty-one".