1111100121210 has 32 divisors (see below), whose sum is σ = 2677264373952. Its totient is φ = 295112912000.

The previous prime is 1111100121191. The next prime is 1111100121211. The reversal of 1111100121210 is 121210011111.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1111100121211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73770699 + ... + 73785758.

It is an arithmetic number, because the mean of its divisors is an integer number (83664511686).

Almost surely, 2^{1111100121210} is an apocalyptic number.

1111100121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111100121210 is an abundant number, since it is smaller than the sum of its proper divisors (1566164252742).

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

1111100121210 is a wasteful number, since it uses less digits than its factorization.

1111100121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147556718.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1111100121210 its reverse (121210011111), we get a palindrome (1232310132321).

The spelling of 1111100121210 in words is "one trillion, one hundred eleven billion, one hundred million, one hundred twenty-one thousand, two hundred ten".