1102001222120 has 64 divisors (see below), whose sum is σ = 2562125437440. Its totient is φ = 426141331200.

The previous prime is 1102001222059. The next prime is 1102001222131. The reversal of 1102001222120 is 212221002011.

It is a junction number, because it is equal to n+sod(n) for n = 1102001222095 and 1102001222104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 746414 + ... + 1661666.

It is an arithmetic number, because the mean of its divisors is an integer number (40033209960).

Almost surely, 2^{1102001222120} is an apocalyptic number.

1102001222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102001222120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1281062718720).

1102001222120 is an abundant number, since it is smaller than the sum of its proper divisors (1460124215320).

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

1102001222120 is a wasteful number, since it uses less digits than its factorization.

1102001222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916266 (or 916262 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1102001222120 its reverse (212221002011), we get a palindrome (1314222224131).

The spelling of 1102001222120 in words is "one trillion, one hundred two billion, one million, two hundred twenty-two thousand, one hundred twenty".