1100122002 has 96 divisors (see below), whose sum is σ = 2883553920. Its totient is φ = 296110080.

The previous prime is 1100121973. The next prime is 1100122013. The reversal of 1100122002 is 2002210011.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 460852 + ... + 463232.

It is an arithmetic number, because the mean of its divisors is an integer number (30037020).

Almost surely, 2^1100122002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100122002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1441776960).

1100122002 is an abundant number, since it is smaller than the sum of its proper divisors (1783431918).

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

1100122002 is a wasteful number, since it uses less digits than its factorization.

1100122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608 (or 2605 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1100122002 is about 33168.0871019117. The cubic root of 1100122002 is about 1032.3182777542.

Adding to 1100122002 its reverse (2002210011), we get a palindrome (3102332013).

The spelling of 1100122002 in words is "one billion, one hundred million, one hundred twenty-two thousand, two".