2021202010121 has 8 divisors (see below), whose sum is σ = 2311473919104. Its totient is φ = 1731312292320.

The previous prime is 2021202010067. The next prime is 2021202010129. The reversal of 2021202010121 is 1210102021202.

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

It is a cyclic number.

It is not a de Polignac number, because 2021202010121 - 2⁶ = 2021202010057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021202010096 and 2021202010105.

It is not an unprimeable number, because it can be changed into a prime (2021202010129) 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, 95536460 + ... + 95557613.

It is an arithmetic number, because the mean of its divisors is an integer number (288934239888).

Almost surely, 2^{2021202010121} is an apocalyptic number.

It is an amenable number.

2021202010121 is a deficient number, since it is larger than the sum of its proper divisors (290271908983).

2021202010121 is a wasteful number, since it uses less digits than its factorization.

2021202010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191095591.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2021202010121 its reverse (1210102021202), we get a palindrome (3231304031323).

The spelling of 2021202010121 in words is "two trillion, twenty-one billion, two hundred two million, ten thousand, one hundred twenty-one".