1121101010010 has 80 divisors (see below), whose sum is σ = 3111758572032. Its totient is φ = 289316383200.

The previous prime is 1121101009999. The next prime is 1121101010027. The reversal of 1121101010010 is 100101011211.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1121101009974 and 1121101010001.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22298686 + ... + 22348905.

Almost surely, 2^{1121101010010} is an apocalyptic number.

1121101010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121101010010 is an abundant number, since it is smaller than the sum of its proper divisors (1990657562022).

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

1121101010010 is a wasteful number, since it uses less digits than its factorization.

1121101010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44647641 (or 44647632 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1121101010010 its reverse (100101011211), we get a palindrome (1221202021221).

The spelling of 1121101010010 in words is "one trillion, one hundred twenty-one billion, one hundred one million, ten thousand, ten".