20211000221010 has 16 divisors (see below), whose sum is σ = 48506400530496. Its totient is φ = 5389600058928.

The previous prime is 20211000220993. The next prime is 20211000221017. The reversal of 20211000221010 is 1012200011202.

It is not an unprimeable number, because it can be changed into a prime (20211000221017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336850003654 + ... + 336850003713.

It is an arithmetic number, because the mean of its divisors is an integer number (3031650033156).

Almost surely, 2^{20211000221010} is an apocalyptic number.

20211000221010 is an abundant number, since it is smaller than the sum of its proper divisors (28295400309486).

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

20211000221010 is a wasteful number, since it uses less digits than its factorization.

20211000221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673700007377.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20211000221010 its reverse (1012200011202), we get a palindrome (21223200232212).

The spelling of 20211000221010 in words is "twenty trillion, two hundred eleven billion, two hundred twenty-one thousand, ten".