1102100140020 has 576 divisors, whose sum is σ = 3632469442560. Its totient is φ = 249038592000.

The previous prime is 1102100140019. The next prime is 1102100140033. The reversal of 1102100140020 is 200410012011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1102100139978 and 1102100140005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 765878461 + ... + 765879899.

It is an arithmetic number, because the mean of its divisors is an integer number (6306370560).

Almost surely, 2^{1102100140020} is an apocalyptic number.

1102100140020 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 1102100140020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1816234721280).

1102100140020 is an abundant number, since it is smaller than the sum of its proper divisors (2530369302540).

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

1102100140020 is a wasteful number, since it uses less digits than its factorization.

1102100140020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1102100140020 its reverse (200410012011), we get a palindrome (1302510152031).

The spelling of 1102100140020 in words is "one trillion, one hundred two billion, one hundred million, one hundred forty thousand, twenty".