1201022303121 has 10 divisors (see below), whose sum is σ = 1794119736882. Its totient is φ = 800681535360.

The previous prime is 1201022303083. The next prime is 1201022303227. The reversal of 1201022303121 is 1213032201021.

1201022303121 is a `hidden beast` number, since 1 + 20 + 102 + 230 + 312 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1200253904721 + 768398400 = 1095561^2 + 27720^2 .

It is not a de Polignac number, because 1201022303121 - 2²² = 1201018108817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201022303094 and 1201022303103.

It is not an unprimeable number, because it can be changed into a prime (1201022303521) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7413717840 + ... + 7413718001.

Almost surely, 2^{1201022303121} is an apocalyptic number.

It is an amenable number.

1201022303121 is a deficient number, since it is larger than the sum of its proper divisors (593097433761).

1201022303121 is an equidigital number, since it uses as much as digits as its factorization.

1201022303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14827435853 (or 14827435844 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1201022303121 its reverse (1213032201021), we get a palindrome (2414054504142).

The spelling of 1201022303121 in words is "one trillion, two hundred one billion, twenty-two million, three hundred three thousand, one hundred twenty-one".