1001101122020 has 48 divisors (see below), whose sum is σ = 2209729915008. Its totient is φ = 380234131200.

The previous prime is 1001101122019. The next prime is 1001101122061. The reversal of 1001101122020 is 202211011001.

1001101122020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1001101121992 and 1001101122010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7879706 + ... + 8005745.

It is an arithmetic number, because the mean of its divisors is an integer number (46036039896).

Almost surely, 2^{1001101122020} is an apocalyptic number.

1001101122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001101122020 is an abundant number, since it is smaller than the sum of its proper divisors (1208628792988).

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

1001101122020 is a wasteful number, since it uses less digits than its factorization.

1001101122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15885620 (or 15885618 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1001101122020 its reverse (202211011001), we get a palindrome (1203312133021).

The spelling of 1001101122020 in words is "one trillion, one billion, one hundred one million, one hundred twenty-two thousand, twenty".