1021101200200 has 48 divisors (see below), whose sum is σ = 2391139926000. Its totient is φ = 405502048320.

The previous prime is 1021101200167. The next prime is 1021101200213. The reversal of 1021101200200 is 20021011201.

It is a super-2 number, since 2×1021101200200² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 18337330 + ... + 18392929.

It is an arithmetic number, because the mean of its divisors is an integer number (49815415125).

Almost surely, 2^{1021101200200} is an apocalyptic number.

1021101200200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021101200200 is an abundant number, since it is smaller than the sum of its proper divisors (1370038725800).

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

1021101200200 is a wasteful number, since it uses less digits than its factorization.

1021101200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36730414 (or 36730405 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1021101200200 its reverse (20021011201), we get a palindrome (1041122211401).

The spelling of 1021101200200 in words is "one trillion, twenty-one billion, one hundred one million, two hundred thousand, two hundred".