1020012021110 has 16 divisors (see below), whose sum is σ = 1836059497200. Its totient is φ = 407996395296.

The previous prime is 1020012021107. The next prime is 1020012021179. The reversal of 1020012021110 is 111202100201.

It is a junction number, because it is equal to n+sod(n) for n = 1020012021091 and 1020012021100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530120 + ... + 1523499.

It is an arithmetic number, because the mean of its divisors is an integer number (114753718575).

Almost surely, 2^{1020012021110} is an apocalyptic number.

1020012021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020012021110 is a deficient number, since it is larger than the sum of its proper divisors (816047476090).

1020012021110 is a wasteful number, since it uses less digits than its factorization.

1020012021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103295.

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

Adding to 1020012021110 its reverse (111202100201), we get a palindrome (1131214121311).

The spelling of 1020012021110 in words is "one trillion, twenty billion, twelve million, twenty-one thousand, one hundred ten".