1020121220110 has 32 divisors (see below), whose sum is σ = 1839031882272. Its totient is φ = 407423600640.

The previous prime is 1020121220101. The next prime is 1020121220137. The reversal of 1020121220110 is 110221210201.

1020121220110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 23439570 + ... + 23483050.

It is an arithmetic number, because the mean of its divisors is an integer number (57469746321).

Almost surely, 2^{1020121220110} is an apocalyptic number.

1020121220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020121220110 is a deficient number, since it is larger than the sum of its proper divisors (818910662162).

1020121220110 is a wasteful number, since it uses less digits than its factorization.

1020121220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47028.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1020121220110 its reverse (110221210201), we get a palindrome (1130342430311).

Subtracting from 1020121220110 its reverse (110221210201), we obtain a palindrome (909900009909).

The spelling of 1020121220110 in words is "one trillion, twenty billion, one hundred twenty-one million, two hundred twenty thousand, one hundred ten".