1100001121210 has 32 divisors (see below), whose sum is σ = 2000317028112. Its totient is φ = 435489100800.

The previous prime is 1100001121183. The next prime is 1100001121213. The reversal of 1100001121210 is 121211000011.

It can be written as a sum of positive squares in 8 ways, for example, as 377292006081 + 722709115129 = 614241^2 + 850123^2 .

It is a super-2 number, since 2×1100001121210² (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 not an unprimeable number, because it can be changed into a prime (1100001121213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2669112 + ... + 3053548.

Almost surely, 2^{1100001121210} is an apocalyptic number.

1100001121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100001121210 is a deficient number, since it is larger than the sum of its proper divisors (900315906902).

1100001121210 is a wasteful number, since it uses less digits than its factorization.

1100001121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387378.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1100001121210 its reverse (121211000011), we get a palindrome (1221212121221).

The spelling of 1100001121210 in words is "one trillion, one hundred billion, one million, one hundred twenty-one thousand, two hundred ten".