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1102420211144 = 2372192373199443
BaseRepresentation
bin10000000010101101010…
…111010111010111001000
310220101112120010020021112
4100002231113113113020
5121030224033224034
62202240031025452
7142435000116500
oct20025527272710
93811476106245
101102420211144
1139559651849a
121597a636b288
137cc5b31c485
143b500aa8a00
151da231ba7ce
hex100ad5d75c8

1102420211144 has 384 divisors, whose sum is σ = 2696820480000. Its totient is φ = 419203040256.

The previous prime is 1102420211141. The next prime is 1102420211149. The reversal of 1102420211144 is 4411120242011.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (1102420211141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2488532987 + ... + 2488533429.

It is an arithmetic number, because the mean of its divisors is an integer number (7022970000).

Almost surely, 21102420211144 is an apocalyptic number.

1102420211144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102420211144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1348410240000).

1102420211144 is an abundant number, since it is smaller than the sum of its proper divisors (1594400268856).

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

1102420211144 is a wasteful number, since it uses less digits than its factorization.

1102420211144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 1102420211144 its reverse (4411120242011), we get a palindrome (5513540453155).

The spelling of 1102420211144 in words is "one trillion, one hundred two billion, four hundred twenty million, two hundred eleven thousand, one hundred forty-four".