101121103001020 has 48 divisors (see below), whose sum is σ = 212842363567680. Its totient is φ = 40355483567616.

The previous prime is 101121103001011. The next prime is 101121103001057. The reversal of 101121103001020 is 20100301121101.

It is a happy number.

It is a congruent number.

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, 617968734 + ... + 618132346.

It is an arithmetic number, because the mean of its divisors is an integer number (4434215907660).

Almost surely, 2^{101121103001020} is an apocalyptic number.

101121103001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101121103001020 is an abundant number, since it is smaller than the sum of its proper divisors (111721260566660).

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

101121103001020 is a wasteful number, since it uses less digits than its factorization.

101121103001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234454 (or 234452 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 101121103001020 its reverse (20100301121101), we get a palindrome (121221404122121).

The spelling of 101121103001020 in words is "one hundred one trillion, one hundred twenty-one billion, one hundred three million, one thousand, twenty".