1201133021031 has 12 divisors (see below), whose sum is σ = 1735005823200. Its totient is φ = 800738776320.

The previous prime is 1201133021009. The next prime is 1201133021069. The reversal of 1201133021031 is 1301203311021.

1201133021031 is a `hidden beast` number, since 120 + 1 + 1 + 330 + 210 + 3 + 1 = 666.

It is not a de Polignac number, because 1201133021031 - 2⁹ = 1201133020519 is a prime.

It is a super-2 number, since 2×1201133021031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201133020995 and 1201133021013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201133022031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 913530 + ... + 1799111.

It is an arithmetic number, because the mean of its divisors is an integer number (144583818600).

Almost surely, 2^{1201133021031} is an apocalyptic number.

1201133021031 is a deficient number, since it is larger than the sum of its proper divisors (533872802169).

1201133021031 is a wasteful number, since it uses less digits than its factorization.

1201133021031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761846 (or 2761843 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1201133021031 its reverse (1301203311021), we get a palindrome (2502336332052).

The spelling of 1201133021031 in words is "one trillion, two hundred one billion, one hundred thirty-three million, twenty-one thousand, thirty-one".