202021022121002 has 8 divisors (see below), whose sum is σ = 346321752207456. Its totient is φ = 86580438051852.

The previous prime is 202021022120969. The next prime is 202021022121019. The reversal of 202021022121002 is 200121220120202.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7215036504308 + ... + 7215036504335.

It is an arithmetic number, because the mean of its divisors is an integer number (43290219025932).

Almost surely, 2^{202021022121002} is an apocalyptic number.

202021022121002 is a deficient number, since it is larger than the sum of its proper divisors (144300730086454).

202021022121002 is a wasteful number, since it uses less digits than its factorization.

202021022121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14430073008652.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202021022121002 its reverse (200121220120202), we get a palindrome (402142242241204).

The spelling of 202021022121002 in words is "two hundred two trillion, twenty-one billion, twenty-two million, one hundred twenty-one thousand, two".