1101020012200 has 24 divisors (see below), whose sum is σ = 2559871528830. Its totient is φ = 440408004800.

The previous prime is 1101020012179. The next prime is 1101020012227. The reversal of 1101020012200 is 22100201011.

It can be written as a sum of positive squares in 3 ways, for example, as 631907345476 + 469112666724 = 794926^2 + 684918^2 .

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 5 ways as a sum of consecutive naturals, for example, 2752549831 + ... + 2752550230.

Almost surely, 2^{1101020012200} is an apocalyptic number.

1101020012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101020012200 is an abundant number, since it is smaller than the sum of its proper divisors (1458851516630).

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

1101020012200 is a wasteful number, since it uses less digits than its factorization.

1101020012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505100077 (or 5505100068 counting only the distinct ones).

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

Adding to 1101020012200 its reverse (22100201011), we get a palindrome (1123120213211).

It can be divided in two parts, 11010200 and 12200, that added together give a square (11022400 = 3320²).

The spelling of 1101020012200 in words is "one trillion, one hundred one billion, twenty million, twelve thousand, two hundred".