10200020112021 has 16 divisors (see below), whose sum is σ = 14396179152960. Its totient is φ = 6412843436160.

The previous prime is 10200020112019. The next prime is 10200020112043. The reversal of 10200020112021 is 12021102000201.

It is not a de Polignac number, because 10200020112021 - 2¹ = 10200020112019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10200020111988 and 10200020112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200020132021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1363270800 + ... + 1363278281.

It is an arithmetic number, because the mean of its divisors is an integer number (899761197060).

Almost surely, 2^{10200020112021} is an apocalyptic number.

It is an amenable number.

10200020112021 is a deficient number, since it is larger than the sum of its proper divisors (4196159040939).

10200020112021 is a wasteful number, since it uses less digits than its factorization.

10200020112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726549156.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10200020112021 its reverse (12021102000201), we get a palindrome (22221122112222).

It can be divided in two parts, 102000201 and 12021, that multiplied together give a palindrome (1226144416221).

The spelling of 10200020112021 in words is "ten trillion, two hundred billion, twenty million, one hundred twelve thousand, twenty-one".