10000311211220 has 72 divisors (see below), whose sum is σ = 24336712219680. Its totient is φ = 3422566382080.

The previous prime is 10000311211159. The next prime is 10000311211273. The reversal of 10000311211220 is 2211211300001.

It is a junction number, because it is equal to n+sod(n) for n = 10000311211195 and 10000311211204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78579950 + ... + 78707109.

It is an arithmetic number, because the mean of its divisors is an integer number (338009891940).

Almost surely, 2^{10000311211220} is an apocalyptic number.

10000311211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10000311211220 is an abundant number, since it is smaller than the sum of its proper divisors (14336401008460).

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

10000311211220 is a wasteful number, since it uses less digits than its factorization.

10000311211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157287113 (or 157287094 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10000311211220 its reverse (2211211300001), we get a palindrome (12211522511221).

The spelling of 10000311211220 in words is "ten trillion, three hundred eleven million, two hundred eleven thousand, two hundred twenty".