10200102020121 has 16 divisors (see below), whose sum is σ = 15283096004736. Its totient is φ = 6004073429376.

The previous prime is 10200102020107. The next prime is 10200102020123. The reversal of 10200102020121 is 12102020100201.

It is not a de Polignac number, because 10200102020121 - 2¹⁸ = 10200101757977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10200102020097 and 10200102020106.

It is not an unprimeable number, because it can be changed into a prime (10200102020123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5685674700 + ... + 5685676493.

It is an arithmetic number, because the mean of its divisors is an integer number (955193500296).

Almost surely, 2^{10200102020121} is an apocalyptic number.

It is an amenable number.

10200102020121 is a deficient number, since it is larger than the sum of its proper divisors (5082993984615).

10200102020121 is a wasteful number, since it uses less digits than its factorization.

10200102020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11371351232.

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

Adding to 10200102020121 its reverse (12102020100201), we get a palindrome (22302122120322).

The spelling of 10200102020121 in words is "ten trillion, two hundred billion, one hundred two million, twenty thousand, one hundred twenty-one".