1011012203331 has 12 divisors (see below), whose sum is σ = 1572685649808. Its totient is φ = 622161355824.

The previous prime is 1011012203329. The next prime is 1011012203387. The reversal of 1011012203331 is 1333022101101.

1011012203331 is a `hidden beast` number, since 1 + 0 + 110 + 1 + 220 + 3 + 331 = 666.

It is not a de Polignac number, because 1011012203331 - 2¹ = 1011012203329 is a prime.

It is a super-2 number, since 2×1011012203331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011012202331) 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, 4320564855 + ... + 4320565088.

It is an arithmetic number, because the mean of its divisors is an integer number (131057137484).

Almost surely, 2^{1011012203331} is an apocalyptic number.

1011012203331 is a deficient number, since it is larger than the sum of its proper divisors (561673446477).

1011012203331 is a wasteful number, since it uses less digits than its factorization.

1011012203331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8641129962 (or 8641129959 counting only the distinct ones).

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

Adding to 1011012203331 its reverse (1333022101101), we get a palindrome (2344034304432).

The spelling of 1011012203331 in words is "one trillion, eleven billion, twelve million, two hundred three thousand, three hundred thirty-one".