1020110021110 has 32 divisors (see below), whose sum is σ = 1948464123840. Its totient is φ = 383201037312.

The previous prime is 1020110021089. The next prime is 1020110021111. The reversal of 1020110021110 is 111200110201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020110021111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6487570 + ... + 6642949.

It is an arithmetic number, because the mean of its divisors is an integer number (60889503870).

Almost surely, 2^{1020110021110} is an apocalyptic number.

1020110021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020110021110 is a deficient number, since it is larger than the sum of its proper divisors (928354102730).

1020110021110 is a wasteful number, since it uses less digits than its factorization.

1020110021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13131000.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1020110021110 its reverse (111200110201), we get a palindrome (1131310131311).

The spelling of 1020110021110 in words is "one trillion, twenty billion, one hundred ten million, twenty-one thousand, one hundred ten".