202121210001022 has 8 divisors (see below), whose sum is σ = 326503493078616. Its totient is φ = 93286712308152.

The previous prime is 202121210001017. The next prime is 202121210001049. The reversal of 202121210001022 is 220100012121202.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 202121210000987 and 202121210001005.

It is a congruent number.

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, 3886946346148 + ... + 3886946346199.

It is an arithmetic number, because the mean of its divisors is an integer number (40812936634827).

Almost surely, 2^{202121210001022} is an apocalyptic number.

202121210001022 is a deficient number, since it is larger than the sum of its proper divisors (124382283077594).

202121210001022 is a wasteful number, since it uses less digits than its factorization.

202121210001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7773892692362.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202121210001022 its reverse (220100012121202), we get a palindrome (422221222122224).

The spelling of 202121210001022 in words is "two hundred two trillion, one hundred twenty-one billion, two hundred ten million, one thousand, twenty-two".