210221022021010 has 64 divisors (see below), whose sum is σ = 508058637859584. Its totient is φ = 60483171168000.

The previous prime is 210221022020993. The next prime is 210221022021013. The reversal of 210221022021010 is 10120220122012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (210221022021013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10500540541 + ... + 10500560560.

It is an arithmetic number, because the mean of its divisors is an integer number (7938416216556).

Almost surely, 2^{210221022021010} is an apocalyptic number.

210221022021010 is an abundant number, since it is smaller than the sum of its proper divisors (297837615838574).

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

210221022021010 is a wasteful number, since it uses less digits than its factorization.

210221022021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21001101139.

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

Adding to 210221022021010 its reverse (10120220122012), we get a palindrome (220341242143022).

The spelling of 210221022021010 in words is "two hundred ten trillion, two hundred twenty-one billion, twenty-two million, twenty-one thousand, ten".