11331201101020 has 12 divisors (see below), whose sum is σ = 23795522312184. Its totient is φ = 4532480440400.

The previous prime is 11331201100957. The next prime is 11331201101081. The reversal of 11331201101020 is 2010110213311.

It is a happy number.

It is a super-2 number, since 2×11331201101020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11331201100985 and 11331201101003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283280027506 + ... + 283280027545.

It is an arithmetic number, because the mean of its divisors is an integer number (1982960192682).

Almost surely, 2^{11331201101020} is an apocalyptic number.

11331201101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331201101020 is an abundant number, since it is smaller than the sum of its proper divisors (12464321211164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11331201101020 is a wasteful number, since it uses less digits than its factorization.

11331201101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566560055060 (or 566560055058 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11331201101020 its reverse (2010110213311), we get a palindrome (13341311314331).

The spelling of 11331201101020 in words is "eleven trillion, three hundred thirty-one billion, two hundred one million, one hundred one thousand, twenty".