1112121102 has 32 divisors (see below), whose sum is σ = 2250539424. Its totient is φ = 366336000.

The previous prime is 1112121089. The next prime is 1112121103. The reversal of 1112121102 is 2011212111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112121103) 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, 616602 + ... + 618402.

It is an arithmetic number, because the mean of its divisors is an integer number (70329357).

Almost surely, 2^1112121102 is an apocalyptic number.

1112121102 is an abundant number, since it is smaller than the sum of its proper divisors (1138418322).

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

1112121102 is a wasteful number, since it uses less digits than its factorization.

1112121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964.

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

The square root of 1112121102 is about 33348.4797554551. The cubic root of 1112121102 is about 1036.0579012624.

Adding to 1112121102 its reverse (2011212111), we get a palindrome (3123333213).

It can be divided in two parts, 11121 and 21102, that added together give a palindrome (32223).

The spelling of 1112121102 in words is "one billion, one hundred twelve million, one hundred twenty-one thousand, one hundred two".