1020101012112 has 80 divisors (see below), whose sum is σ = 3243398103680. Its totient is φ = 269037628416.

The previous prime is 1020101012057. The next prime is 1020101012123. The reversal of 1020101012112 is 2112101010201.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 116765437 + ... + 116774172.

It is an arithmetic number, because the mean of its divisors is an integer number (40542476296).

Almost surely, 2^{1020101012112} is an apocalyptic number.

1020101012112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020101012112 is an abundant number, since it is smaller than the sum of its proper divisors (2223297091568).

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

1020101012112 is a wasteful number, since it uses less digits than its factorization.

1020101012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233539640 (or 233539634 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1020101012112 its reverse (2112101010201), we get a palindrome (3132202022313).

The spelling of 1020101012112 in words is "one trillion, twenty billion, one hundred one million, twelve thousand, one hundred twelve".