20221201210002 has 64 divisors (see below), whose sum is σ = 43713048847104. Its totient is φ = 6199112874240.

The previous prime is 20221201209949. The next prime is 20221201210013. The reversal of 20221201210002 is 20001210212202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54078828 + ... + 54451464.

It is an arithmetic number, because the mean of its divisors is an integer number (683016388236).

Almost surely, 2^{20221201210002} is an apocalyptic number.

20221201210002 is an abundant number, since it is smaller than the sum of its proper divisors (23491847637102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20221201210002 is a wasteful number, since it uses less digits than its factorization.

20221201210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375203.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20221201210002 its reverse (20001210212202), we get a palindrome (40222411422204).

The spelling of 20221201210002 in words is "twenty trillion, two hundred twenty-one billion, two hundred one million, two hundred ten thousand, two".