1101221220010 has 16 divisors (see below), whose sum is σ = 1982312539776. Its totient is φ = 440463078288.

The previous prime is 1101221219977. The next prime is 1101221220013. The reversal of 1101221220010 is 100221221011.

It is not an unprimeable number, because it can be changed into a prime (1101221220013) 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, 2993694 + ... + 3341353.

It is an arithmetic number, because the mean of its divisors is an integer number (123894533736).

Almost surely, 2^{1101221220010} is an apocalyptic number.

1101221220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101221220010 is a deficient number, since it is larger than the sum of its proper divisors (881091319766).

1101221220010 is a wasteful number, since it uses less digits than its factorization.

1101221220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6352437.

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

Adding to 1101221220010 its reverse (100221221011), we get a palindrome (1201442441021).

It can be divided in two parts, 1101221 and 220010, that added together give a palindrome (1321231).

The spelling of 1101221220010 in words is "one trillion, one hundred one billion, two hundred twenty-one million, two hundred twenty thousand, ten".