1012111102 has 8 divisors (see below), whose sum is σ = 1533198312. Its totient is φ = 501045000.

The previous prime is 1012111091. The next prime is 1012111123. The reversal of 1012111102 is 2011112101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2505024 + ... + 2505427.

It is an arithmetic number, because the mean of its divisors is an integer number (191649789).

Almost surely, 2^1012111102 is an apocalyptic number.

1012111102 is a deficient number, since it is larger than the sum of its proper divisors (521087210).

1012111102 is a wasteful number, since it uses less digits than its factorization.

1012111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010554.

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

The square root of 1012111102 is about 31813.6936239727. The cubic root of 1012111102 is about 1004.0208451358.

Adding to 1012111102 its reverse (2011112101), we get a palindrome (3023223203).

Subtracting 1012111102 from its reverse (2011112101), we obtain a palindrome (999000999).

The spelling of 1012111102 in words is "one billion, twelve million, one hundred eleven thousand, one hundred two".