1001101010120 has 32 divisors (see below), whose sum is σ = 2304860469120. Its totient is φ = 391127835840.

The previous prime is 1001101010111. The next prime is 1001101010137. The reversal of 1001101010120 is 210101011001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 1001101010098 and 1001101010107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291016016 + ... + 291019455.

It is an arithmetic number, because the mean of its divisors is an integer number (72026889660).

Almost surely, 2^{1001101010120} is an apocalyptic number.

1001101010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001101010120 is an abundant number, since it is smaller than the sum of its proper divisors (1303759459000).

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

1001101010120 is a wasteful number, since it uses less digits than its factorization.

1001101010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582035525 (or 582035521 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1001101010120 its reverse (210101011001), we get a palindrome (1211202021121).

The spelling of 1001101010120 in words is "one trillion, one billion, one hundred one million, ten thousand, one hundred twenty".