1220221110010 has 16 divisors (see below), whose sum is σ = 2510169140736. Its totient is φ = 418361523408.

The previous prime is 1220221109981. The next prime is 1220221110013. The reversal of 1220221110010 is 100111220221.

It is not an unprimeable number, because it can be changed into a prime (1220221110013) 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, 8715865002 + ... + 8715865141.

It is an arithmetic number, because the mean of its divisors is an integer number (156885571296).

Almost surely, 2^{1220221110010} is an apocalyptic number.

1220221110010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220221110010 is an abundant number, since it is smaller than the sum of its proper divisors (1289948030726).

1220221110010 is a wasteful number, since it uses less digits than its factorization.

1220221110010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17431730157.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1220221110010 its reverse (100111220221), we get a palindrome (1320332330231).

The spelling of 1220221110010 in words is "one trillion, two hundred twenty billion, two hundred twenty-one million, one hundred ten thousand, ten".