22101121000010 has 64 divisors (see below), whose sum is σ = 44322194800800. Its totient is φ = 7878539354112.

The previous prime is 22101120999989. The next prime is 22101121000061. The reversal of 22101121000010 is 1000012110122.

It can be written as a sum of positive squares in 16 ways, for example, as 225660151369 + 21875460848641 = 475037^2 + 4677121^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22101120999955 and 22101121000000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64707602 + ... + 65048258.

Almost surely, 2^{22101121000010} is an apocalyptic number.

22101121000010 is an abundant number, since it is smaller than the sum of its proper divisors (22221073800790).

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

22101121000010 is a wasteful number, since it uses less digits than its factorization.

22101121000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357915.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22101121000010 its reverse (1000012110122), we get a palindrome (23101133110132).

The spelling of 22101121000010 in words is "twenty-two trillion, one hundred one billion, one hundred twenty-one million, ten", and thus it is an aban number.