1102020121112 has 8 divisors (see below), whose sum is σ = 2066287727100. Its totient is φ = 551010060552.

The previous prime is 1102020121109. The next prime is 1102020121117. The reversal of 1102020121112 is 2111210202011.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102020121117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68876257562 + ... + 68876257577.

Almost surely, 2^{1102020121112} is an apocalyptic number.

It is an amenable number.

1102020121112 is a deficient number, since it is larger than the sum of its proper divisors (964267605988).

1102020121112 is a wasteful number, since it uses less digits than its factorization.

1102020121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137752515145 (or 137752515141 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1102020121112 its reverse (2111210202011), we get a palindrome (3213230323123).

The spelling of 1102020121112 in words is "one trillion, one hundred two billion, twenty million, one hundred twenty-one thousand, one hundred twelve".