10111020021200 has 240 divisors, whose sum is σ = 30408655150080. Its totient is φ = 3150207836160.

The previous prime is 10111020021181. The next prime is 10111020021209. The reversal of 10111020021200 is 212002011101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111020021209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2281952 + ... + 5042751.

It is an arithmetic number, because the mean of its divisors is an integer number (126702729792).

Almost surely, 2^{10111020021200} is an apocalyptic number.

10111020021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111020021200 is an abundant number, since it is smaller than the sum of its proper divisors (20297635128880).

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

10111020021200 is a wasteful number, since it uses less digits than its factorization.

10111020021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7324774 (or 7324763 counting only the distinct ones).

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

Adding to 10111020021200 its reverse (212002011101), we get a palindrome (10323022032301).

The spelling of 10111020021200 in words is "ten trillion, one hundred eleven billion, twenty million, twenty-one thousand, two hundred".