10200101121020 has 48 divisors (see below), whose sum is σ = 21843292433760. Its totient is φ = 4000239980544.

The previous prime is 10200101120941. The next prime is 10200101121043. The reversal of 10200101121020 is 2012110100201.

It is a junction number, because it is equal to n+sod(n) for n = 10200101120992 and 10200101121010.

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, 24361505 + ... + 24776664.

It is an arithmetic number, because the mean of its divisors is an integer number (455068592370).

Almost surely, 2^{10200101121020} is an apocalyptic number.

10200101121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10200101121020 is an abundant number, since it is smaller than the sum of its proper divisors (11643191312740).

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

10200101121020 is a wasteful number, since it uses less digits than its factorization.

10200101121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49138382 (or 49138380 counting only the distinct ones).

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

Adding to 10200101121020 its reverse (2012110100201), we get a palindrome (12212211221221).

The spelling of 10200101121020 in words is "ten trillion, two hundred billion, one hundred one million, one hundred twenty-one thousand, twenty".