1101102021200 has 30 divisors (see below), whose sum is σ = 2645397606894. Its totient is φ = 440440808320.

The previous prime is 1101102021197. The next prime is 1101102021203. The reversal of 1101102021200 is 21202011011.

It is an interprime number because it is at equal distance from previous prime (1101102021197) and next prime (1101102021203).

It can be written as a sum of positive squares in 3 ways, for example, as 79336862224 + 1021765158976 = 281668^2 + 1010824^2 .

It is a super-2 number, since 2×1101102021200² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101102021203) 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, 1376377127 + ... + 1376377926.

Almost surely, 2^{1101102021200} is an apocalyptic number.

1101102021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101102021200 is an abundant number, since it is smaller than the sum of its proper divisors (1544295585694).

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

1101102021200 is a wasteful number, since it uses less digits than its factorization.

1101102021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752755071 (or 2752755060 counting only the distinct ones).

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

Adding to 1101102021200 its reverse (21202011011), we get a palindrome (1122304032211).

The spelling of 1101102021200 in words is "one trillion, one hundred one billion, one hundred two million, twenty-one thousand, two hundred".