1020121020110 has 32 divisors (see below), whose sum is σ = 1945533364992. Its totient is φ = 383788234240.

The previous prime is 1020121020109. The next prime is 1020121020167. The reversal of 1020121020110 is 110201210201.

It is a junction number, because it is equal to n+sod(n) for n = 1020121020091 and 1020121020100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1755806 + ... + 2263425.

It is an arithmetic number, because the mean of its divisors is an integer number (60797917656).

Almost surely, 2^{1020121020110} is an apocalyptic number.

1020121020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020121020110 is a deficient number, since it is larger than the sum of its proper divisors (925412344882).

1020121020110 is a wasteful number, since it uses less digits than its factorization.

1020121020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020748.

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

Adding to 1020121020110 its reverse (110201210201), we get a palindrome (1130322230311).

The spelling of 1020121020110 in words is "one trillion, twenty billion, one hundred twenty-one million, twenty thousand, one hundred ten".