1220000221010 has 16 divisors (see below), whose sum is σ = 2291478676416. Its totient is φ = 466782693168.

The previous prime is 1220000221001. The next prime is 1220000221043. The reversal of 1220000221010 is 101220000221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1220000220982 and 1220000221000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2652174164 + ... + 2652174623.

It is an arithmetic number, because the mean of its divisors is an integer number (143217417276).

Almost surely, 2^{1220000221010} is an apocalyptic number.

1220000221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220000221010 is a deficient number, since it is larger than the sum of its proper divisors (1071478455406).

1220000221010 is a wasteful number, since it uses less digits than its factorization.

1220000221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304348817.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1220000221010 its reverse (101220000221), we get a palindrome (1321220221231).

The spelling of 1220000221010 in words is "one trillion, two hundred twenty billion, two hundred twenty-one thousand, ten".