1102121211112 has 8 divisors (see below), whose sum is σ = 2066477270850. Its totient is φ = 551060605552.

The previous prime is 1102121211071. The next prime is 1102121211161. The reversal of 1102121211112 is 2111121212011.

It can be written as a sum of positive squares in only one way, i.e., 855118175076 + 247003036036 = 924726^2 + 496994^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68882575687 + ... + 68882575702.

Almost surely, 2^{1102121211112} is an apocalyptic number.

It is an amenable number.

1102121211112 is a deficient number, since it is larger than the sum of its proper divisors (964356059738).

1102121211112 is a wasteful number, since it uses less digits than its factorization.

1102121211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137765151395 (or 137765151391 counting only the distinct ones).

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

Adding to 1102121211112 its reverse (2111121212011), we get a palindrome (3213242423123).

The spelling of 1102121211112 in words is "one trillion, one hundred two billion, one hundred twenty-one million, two hundred eleven thousand, one hundred twelve".