10020001202121 has 8 divisors (see below), whose sum is σ = 13361144604640. Its totient is φ = 6679429300512.

The previous prime is 10020001202111. The next prime is 10020001202131. The reversal of 10020001202121 is 12120210002001.

It is an interprime number because it is at equal distance from previous prime (10020001202111) and next prime (10020001202131).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10020001202121 - 2¹⁴ = 10020001185737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10020001202097 and 10020001202106.

It is not an unprimeable number, because it can be changed into a prime (10020001202111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142834315 + ... + 142904448.

It is an arithmetic number, because the mean of its divisors is an integer number (1670143075580).

Almost surely, 2^{10020001202121} is an apocalyptic number.

It is an amenable number.

10020001202121 is a deficient number, since it is larger than the sum of its proper divisors (3341143402519).

10020001202121 is a wasteful number, since it uses less digits than its factorization.

10020001202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285750455.

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

Adding to 10020001202121 its reverse (12120210002001), we get a palindrome (22140211204122).

The spelling of 10020001202121 in words is "ten trillion, twenty billion, one million, two hundred two thousand, one hundred twenty-one".