1101022220144 has 80 divisors (see below), whose sum is σ = 2659792619520. Its totient is φ = 428940583680.

The previous prime is 1101022220113. The next prime is 1101022220171. The reversal of 1101022220144 is 4410222201011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31064417 + ... + 31099839.

It is an arithmetic number, because the mean of its divisors is an integer number (33247407744).

Almost surely, 2^{1101022220144} is an apocalyptic number.

1101022220144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1101022220144 is an abundant number, since it is smaller than the sum of its proper divisors (1558770399376).

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

1101022220144 is a wasteful number, since it uses less digits than its factorization.

1101022220144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60678 (or 60672 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1101022220144 its reverse (4410222201011), we get a palindrome (5511244421155).

The spelling of 1101022220144 in words is "one trillion, one hundred one billion, twenty-two million, two hundred twenty thousand, one hundred forty-four".