1122102220100 has 72 divisors (see below), whose sum is σ = 2454447988608. Its totient is φ = 445259203200.

The previous prime is 1122102220093. The next prime is 1122102220103. The reversal of 1122102220100 is 10222012211.

It is a super-2 number, since 2×1122102220100² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1122102220103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8754677 + ... + 8881923.

Almost surely, 2^{1122102220100} is an apocalyptic number.

1122102220100 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 1122102220100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1227223994304).

1122102220100 is an abundant number, since it is smaller than the sum of its proper divisors (1332345768508).

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

1122102220100 is a wasteful number, since it uses less digits than its factorization.

1122102220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127965 (or 127958 counting only the distinct ones).

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

Adding to 1122102220100 its reverse (10222012211), we get a palindrome (1132324232311).

The spelling of 1122102220100 in words is "one trillion, one hundred twenty-two billion, one hundred two million, two hundred twenty thousand, one hundred".