1121212102 has 8 divisors (see below), whose sum is σ = 1691110512. Its totient is φ = 557508600.

The previous prime is 1121212087. The next prime is 1121212109. The reversal of 1121212102 is 2012121211.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121212109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1548274 + ... + 1548997.

It is an arithmetic number, because the mean of its divisors is an integer number (211388814).

Almost surely, 2^1121212102 is an apocalyptic number.

1121212102 is a deficient number, since it is larger than the sum of its proper divisors (569898410).

1121212102 is a wasteful number, since it uses less digits than its factorization.

1121212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097454.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1121212102 is about 33484.5054017526. The cubic root of 1121212102 is about 1038.8733181907.

Adding to 1121212102 its reverse (2012121211), we get a palindrome (3133333313).

The spelling of 1121212102 in words is "one billion, one hundred twenty-one million, two hundred twelve thousand, one hundred two".