1201011313321 has 12 divisors (see below), whose sum is σ = 1276167268480. Its totient is φ = 1130051292480.

The previous prime is 1201011313303. The next prime is 1201011313349. The reversal of 1201011313321 is 1233131101021.

It is not a de Polignac number, because 1201011313321 - 2³⁵ = 1166651574953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201011373321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477100 + ... + 1621618.

Almost surely, 2^{1201011313321} is an apocalyptic number.

It is an amenable number.

1201011313321 is a deficient number, since it is larger than the sum of its proper divisors (75155955159).

1201011313321 is a wasteful number, since it uses less digits than its factorization.

1201011313321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148184 (or 1148167 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1201011313321 its reverse (1233131101021), we get a palindrome (2434142414342).

The spelling of 1201011313321 in words is "one trillion, two hundred one billion, eleven million, three hundred thirteen thousand, three hundred twenty-one".