1121020102010 has 16 divisors (see below), whose sum is σ = 2020137038856. Its totient is φ = 447896739648.

The previous prime is 1121020102003. The next prime is 1121020102049. The reversal of 1121020102010 is 102010201211.

It can be written as a sum of positive squares in 4 ways, for example, as 1093620252169 + 27399849841 = 1045763^2 + 165529^2 .

It is a super-2 number, since 2×1121020102010² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121020101982 and 1121020102000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63903437 + ... + 63920976.

Almost surely, 2^{1121020102010} is an apocalyptic number.

1121020102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121020102010 is a deficient number, since it is larger than the sum of its proper divisors (899116936846).

1121020102010 is a wasteful number, since it uses less digits than its factorization.

1121020102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127825297.

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

Adding to 1121020102010 its reverse (102010201211), we get a palindrome (1223030303221).

The spelling of 1121020102010 in words is "one trillion, one hundred twenty-one billion, twenty million, one hundred two thousand, ten".