1102001011020 has 192 divisors, whose sum is σ = 4219627991040. Its totient is φ = 232510093056.

The previous prime is 1102001010967. The next prime is 1102001011057. The reversal of 1102001011020 is 201101002011.

It is a happy number.

It is a super-2 number, since 2×1102001011020² (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1102001010993 and 1102001011011.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11163732 + ... + 11262011.

It is an arithmetic number, because the mean of its divisors is an integer number (21977229120).

Almost surely, 2^{1102001011020} is an apocalyptic number.

1102001011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102001011020 is an abundant number, since it is smaller than the sum of its proper divisors (3117626980020).

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

1102001011020 is a wasteful number, since it uses less digits than its factorization.

1102001011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22425781 (or 22425773 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1102001011020 its reverse (201101002011), we get a palindrome (1303102013031).

Subtracting from 1102001011020 its reverse (201101002011), we obtain a palindrome (900900009009).

The spelling of 1102001011020 in words is "one trillion, one hundred two billion, one million, eleven thousand, twenty".