10110021221200 has 60 divisors (see below), whose sum is σ = 24290610740028. Its totient is φ = 4043794585600.

The previous prime is 10110021221191. The next prime is 10110021221213. The reversal of 10110021221200 is 212212001101.

It can be written as a sum of positive squares in 6 ways, for example, as 322083490576 + 9787937730624 = 567524^2 + 3128568^2 .

It is a super-2 number, since 2×10110021221200² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7013544 + ... + 8331256.

Almost surely, 2^{10110021221200} is an apocalyptic number.

10110021221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10110021221200 is an abundant number, since it is smaller than the sum of its proper divisors (14180589518828).

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

10110021221200 is a wasteful number, since it uses less digits than its factorization.

10110021221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336912 (or 1336901 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10110021221200 its reverse (212212001101), we get a palindrome (10322233222301).

The spelling of 10110021221200 in words is "ten trillion, one hundred ten billion, twenty-one million, two hundred twenty-one thousand, two hundred".