221022201010002 has 32 divisors (see below), whose sum is σ = 505196081313792. Its totient is φ = 63148890412944.

The previous prime is 221022201009991. The next prime is 221022201010003. The reversal of 221022201010002 is 200010102220122.

221022201010002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221022201010003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4181008 + ... + 21436539.

It is an arithmetic number, because the mean of its divisors is an integer number (15787377541056).

Almost surely, 2^{221022201010002} is an apocalyptic number.

221022201010002 is an abundant number, since it is smaller than the sum of its proper divisors (284173880303790).

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

221022201010002 is a wasteful number, since it uses less digits than its factorization.

221022201010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25822982.

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

Adding to 221022201010002 its reverse (200010102220122), we get a palindrome (421032303230124).

The spelling of 221022201010002 in words is "two hundred twenty-one trillion, twenty-two billion, two hundred one million, ten thousand, two".