10000122211220 has 12 divisors (see below), whose sum is σ = 21000256643604. Its totient is φ = 4000048884480.

The previous prime is 10000122211201. The next prime is 10000122211241. The reversal of 10000122211220 is 2211222100001.

10000122211220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1861118035984 + 8139004175236 = 1364228^2 + 2852894^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10000122211195 and 10000122211204.

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, 250003055261 + ... + 250003055300.

It is an arithmetic number, because the mean of its divisors is an integer number (1750021386967).

Almost surely, 2^{10000122211220} is an apocalyptic number.

10000122211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10000122211220 is an abundant number, since it is smaller than the sum of its proper divisors (11000134432384).

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

10000122211220 is a wasteful number, since it uses less digits than its factorization.

10000122211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500006110570 (or 500006110568 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10000122211220 its reverse (2211222100001), we get a palindrome (12211344311221).

The spelling of 10000122211220 in words is "ten trillion, one hundred twenty-two million, two hundred eleven thousand, two hundred twenty".