1201303221121 has 8 divisors (see below), whose sum is σ = 1220353006400. Its totient is φ = 1182399411600.

The previous prime is 1201303221109. The next prime is 1201303221133. The reversal of 1201303221121 is 1211223031021.

It is an interprime number because it is at equal distance from previous prime (1201303221109) and next prime (1201303221133).

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 1201303221121 - 2⁹ = 1201303220609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201303221101) 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, 36477351 + ... + 36510268.

It is an arithmetic number, because the mean of its divisors is an integer number (152544125800).

Almost surely, 2^{1201303221121} is an apocalyptic number.

It is an amenable number.

1201303221121 is a deficient number, since it is larger than the sum of its proper divisors (19049785279).

1201303221121 is a wasteful number, since it uses less digits than its factorization.

1201303221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72987879.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1201303221121 its reverse (1211223031021), we get a palindrome (2412526252142).

The spelling of 1201303221121 in words is "one trillion, two hundred one billion, three hundred three million, two hundred twenty-one thousand, one hundred twenty-one".