1102121327020 has 72 divisors (see below), whose sum is σ = 2696167328400. Its totient is φ = 377330889600.

The previous prime is 1102121327017. The next prime is 1102121327023. The reversal of 1102121327020 is 207231212011.

It is an interprime number because it is at equal distance from previous prime (1102121327017) and next prime (1102121327023).

It is a junction number, because it is equal to n+sod(n) for n = 1102121326982 and 1102121327000.

It is not an unprimeable number, because it can be changed into a prime (1102121327023) 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, 115170 + ... + 1489129.

It is an arithmetic number, because the mean of its divisors is an integer number (37446768450).

Almost surely, 2^{1102121327020} is an apocalyptic number.

1102121327020 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 1102121327020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1348083664200).

1102121327020 is an abundant number, since it is smaller than the sum of its proper divisors (1594046001380).

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

1102121327020 is a wasteful number, since it uses less digits than its factorization.

1102121327020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605023 (or 1605014 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 1102121327020 its reverse (207231212011), we get a palindrome (1309352539031).

The spelling of 1102121327020 in words is "one trillion, one hundred two billion, one hundred twenty-one million, three hundred twenty-seven thousand, twenty".