1100020121210 has 16 divisors (see below), whose sum is σ = 2022164649216. Its totient is φ = 430646174928.

The previous prime is 1100020121183. The next prime is 1100020121219. The reversal of 1100020121210 is 121210200011.

It is a junction number, because it is equal to n+sod(n) for n = 1100020121191 and 1100020121200.

It is not an unprimeable number, because it can be changed into a prime (1100020121219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170233702 + ... + 1170234641.

It is an arithmetic number, because the mean of its divisors is an integer number (126385290576).

Almost surely, 2^{1100020121210} is an apocalyptic number.

1100020121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100020121210 is a deficient number, since it is larger than the sum of its proper divisors (922144528006).

1100020121210 is a wasteful number, since it uses less digits than its factorization.

1100020121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340468397.

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

Adding to 1100020121210 its reverse (121210200011), we get a palindrome (1221230321221).

The spelling of 1100020121210 in words is "one trillion, one hundred billion, twenty million, one hundred twenty-one thousand, two hundred ten".