1102021212200 has 24 divisors (see below), whose sum is σ = 2562199318830. Its totient is φ = 440808484800.

The previous prime is 1102021212167. The next prime is 1102021212209. The reversal of 1102021212200 is 22121202011.

It can be written as a sum of positive squares in 3 ways, for example, as 1001292417316 + 100728794884 = 1000646^2 + 317378^2 .

It is not an unprimeable number, because it can be changed into a prime (1102021212209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2755052831 + ... + 2755053230.

Almost surely, 2^{1102021212200} is an apocalyptic number.

1102021212200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102021212200 is an abundant number, since it is smaller than the sum of its proper divisors (1460178106630).

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

1102021212200 is a wasteful number, since it uses less digits than its factorization.

1102021212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510106077 (or 5510106068 counting only the distinct ones).

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

Adding to 1102021212200 its reverse (22121202011), we get a palindrome (1124142414211).

The spelling of 1102021212200 in words is "one trillion, one hundred two billion, twenty-one million, two hundred twelve thousand, two hundred".