1020112121210 has 32 divisors (see below), whose sum is σ = 2259940701312. Its totient is φ = 322848671040.

The previous prime is 1020112121201. The next prime is 1020112121243. The reversal of 1020112121210 is 121212110201.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 560500256 + ... + 560502075.

It is an arithmetic number, because the mean of its divisors is an integer number (70623146916).

Almost surely, 2^{1020112121210} is an apocalyptic number.

1020112121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020112121210 is an abundant number, since it is smaller than the sum of its proper divisors (1239828580102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020112121210 is a wasteful number, since it uses less digits than its factorization.

1020112121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121002358.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1020112121210 its reverse (121212110201), we get a palindrome (1141324231411).

The spelling of 1020112121210 in words is "one trillion, twenty billion, one hundred twelve million, one hundred twenty-one thousand, two hundred ten".