1101221123010 has 16 divisors (see below), whose sum is σ = 2642930695296. Its totient is φ = 293658966128.

The previous prime is 1101221122997. The next prime is 1101221123033. The reversal of 1101221123010 is 103211221011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18353685354 + ... + 18353685413.

It is an arithmetic number, because the mean of its divisors is an integer number (165183168456).

Almost surely, 2^{1101221123010} is an apocalyptic number.

1101221123010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101221123010 is an abundant number, since it is smaller than the sum of its proper divisors (1541709572286).

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

1101221123010 is a wasteful number, since it uses less digits than its factorization.

1101221123010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36707370777.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1101221123010 its reverse (103211221011), we get a palindrome (1204432344021).

The spelling of 1101221123010 in words is "one trillion, one hundred one billion, two hundred twenty-one million, one hundred twenty-three thousand, ten".