221020110200010 has 64 divisors (see below), whose sum is σ = 578777388263424. Its totient is φ = 53570766638400.

The previous prime is 221020110200003. The next prime is 221020110200027. The reversal of 221020110200010 is 10002011020122.

It is a super-2 number, since 2×221020110200010² (a number of 29 digits) contains 22 as substring.

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, 59868414 + ... + 63452873.

It is an arithmetic number, because the mean of its divisors is an integer number (9043396691616).

Almost surely, 2^{221020110200010} is an apocalyptic number.

221020110200010 is an abundant number, since it is smaller than the sum of its proper divisors (357757278063414).

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

221020110200010 is a wasteful number, since it uses less digits than its factorization.

221020110200010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123326739.

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

Adding to 221020110200010 its reverse (10002011020122), we get a palindrome (231022121220132).

The spelling of 221020110200010 in words is "two hundred twenty-one trillion, twenty billion, one hundred ten million, two hundred thousand, ten".