101121003020 has 24 divisors (see below), whose sum is σ = 212403027984. Its totient is φ = 40439082816.

The previous prime is 101121002963. The next prime is 101121003037. The reversal of 101121003020 is 20300121101.

It is a junction number, because it is equal to n+sod(n) for n = 101121002992 and 101121003010.

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, 493082 + ... + 667361.

It is an arithmetic number, because the mean of its divisors is an integer number (8850126166).

Almost surely, 2^101121003020 is an apocalyptic number.

101121003020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101121003020 is an abundant number, since it is smaller than the sum of its proper divisors (111282024964).

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

101121003020 is a wasteful number, since it uses less digits than its factorization.

101121003020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164809 (or 1164807 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 101121003020 its reverse (20300121101), we get a palindrome (121421124121).

The spelling of 101121003020 in words is "one hundred one billion, one hundred twenty-one million, three thousand, twenty".