1121002100210 has 64 divisors (see below), whose sum is σ = 2085620797440. Its totient is φ = 433605553920.

The previous prime is 1121002100209. The next prime is 1121002100243. The reversal of 1121002100210 is 120012001211.

It is a junction number, because it is equal to n+sod(n) for n = 1121002100191 and 1121002100200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20775887 + ... + 20829773.

It is an arithmetic number, because the mean of its divisors is an integer number (32587824960).

Almost surely, 2^{1121002100210} is an apocalyptic number.

1121002100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121002100210 is a deficient number, since it is larger than the sum of its proper divisors (964618697230).

1121002100210 is a wasteful number, since it uses less digits than its factorization.

1121002100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54531.

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

Adding to 1121002100210 its reverse (120012001211), we get a palindrome (1241014101421).

The spelling of 1121002100210 in words is "one trillion, one hundred twenty-one billion, two million, one hundred thousand, two hundred ten".